The Columbian Exchange

Khan Academy
17 May 201709:16

Summary

TLDRThe video script delves into the far-reaching impacts of Christopher Columbus' 1492 voyage, highlighting the Columbian Exchange. This pivotal event saw the transfer of plants, animals, microbes, and humans across the Atlantic, transforming the Americas, Europe, and Africa. It discusses the introduction of crops like sugar and grapes to the New World and the return of foods like tomatoes and potatoes to the Old World, which significantly increased populations. The script also addresses the devastating spread of Old World diseases to the New World, causing a demographic catastrophe among Native Americans, and the subsequent shift to African slave labor due to population decline.

Takeaways

  • 🌍 Columbus' voyage in 1492 initiated the Columbian Exchange, a global process that transformed the Americas, Europe, and Africa.
  • 🌾 The exchange involved the transfer of plants, animals, microbes, and people across the Atlantic, both intentionally and unintentionally.
  • 📦 European colonizers brought crops like sugar, grapes, and coffee to the Americas for their high market value in Europe.
  • 🍅 New World crops such as tomatoes, corn, potatoes, and manioc were introduced to the Old World, significantly increasing caloric intake and population growth.
  • 🐄 Europeans introduced livestock like cattle, sheep, pigs, and horses to the Americas, with varying degrees of success and impact.
  • 🐗 Pigs, in particular, became a nuisance in the New World due to their destructive feeding habits and rapid reproduction.
  • 🤒 The transfer of Old World diseases like smallpox and measles to the New World had devastating effects, leading to a demographic catastrophe for Native Americans.
  • 🏙️ High population density and close proximity to animals in Europe and Africa contributed to the evolution of stronger diseases that were less impactful on Europeans.
  • 🌱 Native Americans had limited immunity to these new diseases and a lower population density, making them more vulnerable to the devastating effects of European diseases.
  • 👥 The decimation of the Native American population due to disease led to the need for a new labor force, resulting in the transatlantic slave trade of Africans.
  • 🌐 The Columbian Exchange had profound effects on the environment and demographics of both the Old and New Worlds, benefiting Europe at the expense of the Americas and Africa.

Q & A

  • What is the Columbian Exchange?

    -The Columbian Exchange was a historical process that involved the transfer of plants, animals, microbes, and people across the Atlantic Ocean in both directions, following Columbus' voyages. It was not just about trading but also about transplanting these elements from Europe and Africa into the Americas and vice versa.

  • Why were sugar, grapes, and coffee brought to the Americas by Columbus?

    -Sugar, grapes for wine, and coffee were brought by Columbus because they were cash crops that could fetch high prices in Europe. The cultivation of sugar was particularly lucrative in the Caribbean, leading to the prioritization of sugar plantations over food crops.

  • How did the introduction of New World crops impact European and African populations?

    -The introduction of New World crops like tomatoes, corn, potatoes, sweet potatoes, and cassava had a significant impact on European and African populations by increasing their food supply. These crops were calorically dense, allowing for larger populations to be fed, which in turn led to population growth in both continents.

  • What was the impact of horses on the Native Americans of the Great Plains?

    -Horses had a revolutionary impact on the Native Americans of the Great Plains. They greatly enhanced their ability to hunt and travel, providing a significant technological advantage.

  • Why did pigs become a nuisance in the New World?

    -Pigs became a nuisance in the New World because Europeans allowed them to roam freely. This led to the pigs eating everything in their path, including the Native Americans' crops, and multiplying rapidly, causing significant ecological and agricultural disruption.

  • What was the most significant impact of the Columbian Exchange on the New World's population?

    -The most significant impact of the Columbian Exchange on the New World's population was the introduction of Old World diseases, such as smallpox and measles, to which the Native Americans had little immunity. This led to a demographic catastrophe, with an estimated 90% of the population in the Americas dying within 100 years of Columbus' arrival.

  • Why were Europeans less affected by diseases from the New World?

    -Europeans were less affected by diseases from the New World due to their higher population density and closer living conditions, which allowed diseases to evolve and become stronger. Additionally, their close proximity to animals facilitated the exchange of diseases, making them more resistant to new diseases.

  • What was the role of enslaved Africans in the Columbian Exchange?

    -Enslaved Africans played a crucial role in the Columbian Exchange as a labor force. After the Native American population was devastated by diseases, Europeans turned to the West Coast of Africa for labor, bringing enslaved people to work in the Caribbean plantations.

  • How did the population growth in Europe and Africa due to New World foods affect the slave trade?

    -The population growth in Europe and Africa due to New World foods increased the number of potential slaves. In Africa, the increased population provided a larger pool of people who could be enslaved, helping to maintain population numbers despite the loss of millions due to the transatlantic slave trade.

  • What were the long-term environmental impacts of the Columbian Exchange on both the Old and New Worlds?

    -The long-term environmental impacts of the Columbian Exchange included significant changes to the ecosystems of both the Old and New Worlds. The introduction of new species, both intentionally and unintentionally, altered landscapes, disrupted local ecosystems, and had profound effects on the environment and human societies.

  • How did the Columbian Exchange contribute to European concerns about overpopulation?

    -The population growth in Europe, fueled by the introduction of New World crops, led to concerns about overpopulation in the 1600s and 1700s. In response, European nations began sending people to their colonies, further contributing to the global impact of the Columbian Exchange.

Outlines

00:00

🌏 The Columbian Exchange: Transforming the Americas, Europe, and Africa

The video discusses the broader historical impact of Christopher Columbus' voyage in 1492, introducing the concept of the Columbian Exchange. This process involved the transfer of plants, animals, microbes, and people across the Atlantic Ocean, impacting the Americas, Europe, and Africa. The exchange was not just about trade but also about transplanting species into new environments. Intentional exchanges, such as bringing crops for cultivation, and unintentional ones, like microbes and pests, had significant environmental effects. The video highlights the introduction of sugar, grapes, and coffee from Europe to the Americas, and the return of crops like tomatoes, corn, and potatoes to Europe, which had a high caloric density and contributed to population growth. The introduction of animals like cattle, sheep, pigs, and horses also had mixed results, with horses revolutionizing hunting practices but pigs becoming pests. The most significant impact was the transfer of Old World diseases to the New World, leading to a demographic catastrophe with an estimated 90% of the Native American population dying within 100 years of Columbus' arrival due to diseases like smallpox and measles.

05:00

😷 Disease and Demographic Impacts of the Columbian Exchange

This paragraph delves into the demographic catastrophe caused by the spread of European diseases to the Americas, which had a devastating effect on the Native American population due to their lack of immunity. The video explains why Europeans were less affected by new diseases from the Americas, attributing it to higher population density and closer living conditions in Europe and Africa, which allowed diseases to evolve and strengthen. Additionally, the close proximity of Europeans to animals facilitated the exchange of diseases between species. The paragraph also addresses the labor implications of the Columbian Exchange, where the decimation of the Native American population led to the transatlantic slave trade, bringing enslaved Africans to the Caribbean to work on plantations. The video concludes by reflecting on the population growth in Europe and Africa due to the introduction of New World foods, which paradoxically contributed to the need for more labor and the subsequent colonization and enslavement.

Mindmap

Keywords

💡Columbian Exchange

The Columbian Exchange refers to the widespread transfer of plants, animals, microbes, and people between the Americas, Europe, and Africa following Christopher Columbus's voyages. It was a transformative process that reshaped ecosystems and societies on both sides of the Atlantic. In the video, the term is used to describe the broader historical impact of Columbus's voyage beyond the Americas, affecting Europe and Africa as well.

💡Transplanting

Transplanting, in the context of the video, involves the intentional movement of species from one region to another, where they were not previously found. This was done to take advantage of new environments that were suitable for these species, such as bringing sugar and grapes to the Caribbean for cultivation. The concept is central to understanding the Columbian Exchange, as it highlights the deliberate human effort to reshape agricultural landscapes.

💡Microbes

Microbes, in the script, are the unintentional hitchhikers that Europeans brought to the New World, which had devastating effects on the native populations due to their lack of immunity. The term is crucial for understanding the demographic impact of the Columbian Exchange, as it underscores the role of disease in reshaping the population dynamics of the Americas.

💡Cash Crops

Cash crops are agricultural products grown for sale rather than for personal consumption, often for export to generate income. In the video, examples like sugar, grapes for wine, and coffee are mentioned as cash crops that were introduced to the Americas with the aim of generating high profits in Europe. This concept is key to understanding the economic motivations behind the Columbian Exchange.

💡Calorically Dense

Calorically dense refers to foods that provide a high amount of energy relative to their weight. The video mentions crops like potatoes, corn, and sweet potatoes as being calorically dense, which contributed to population growth in Europe and Africa by providing more food energy per unit area than traditional crops like wheat. This term is important for understanding the nutritional and demographic changes brought about by the introduction of New World foods.

💡Disease

Disease, particularly in the context of the Columbian Exchange, highlights the devastating impact of Old World diseases like smallpox and measles on the Native American populations, who had little to no immunity to these new pathogens. The term is central to the video's narrative on the demographic catastrophe that occurred in the Americas as a result of European contact.

💡Population Density

Population density is the number of people living in a given area, and in the video, it is mentioned as a factor that contributed to the development of stronger diseases in Europe and Africa due to closer living conditions and more interactions. This concept helps explain why Europeans were less affected by new diseases from the Americas compared to the devastating impact of their diseases on Native Americans.

💡Enslavement

Enslavement in the video refers to the forced labor of African people brought to the Americas to work on plantations after the Native American population was decimated by disease. This term is essential for understanding the social and ethical implications of the Columbian Exchange and the development of the transatlantic slave trade.

💡Labor Force

Labor force denotes the total number of people available for work in an economy. The video discusses the shift in the labor force in the Caribbean from the hoped-for Native American population to enslaved Africans due to the impact of diseases. This term is important for understanding the economic and social changes that occurred as a result of the Columbian Exchange.

💡Demographic Catastrophe

A demographic catastrophe refers to a significant and rapid decline in a population, often due to factors such as disease or war. In the script, this term is used to describe the near extinction of the Native American population within 100 years of Columbus's arrival due to the introduction of Old World diseases. This concept is crucial for understanding the profound human impact of the Columbian Exchange.

💡Environmental Impact

Environmental impact refers to the effects of human activities on the natural environment. The video discusses the profound changes to both the New and Old Worlds' environments as a result of the Columbian Exchange, including the introduction of new species and the spread of diseases. This term is key to understanding the ecological consequences of the historical process described in the video.

Highlights

The Columbian Exchange was a global process that transformed the Americas, Europe, and Africa through the transfer of plants, animals, microbes, and people across the Atlantic.

Columbus' voyage initiated the exchange of species, both intentionally for cultivation and unintentionally through microbes and pests.

Spain and Portugal aimed to grow cash crops like sugar and grapes in the New World for high profits in Europe.

The cultivation of sugar in the Caribbean was so lucrative that food was imported to maximize land use for sugar production.

New World crops like tomatoes, corn, potatoes, and cassava were introduced to the Old World, significantly altering diets and food production.

Calorically dense crops like potatoes allowed for increased food production, leading to population growth in Europe and Africa.

European animals like cattle, sheep, pigs, and horses were introduced to the New World with varying degrees of success and impact.

Horses revolutionized hunting for Native Americans in the Great Plains, while pigs became a nuisance due to their destructive feeding habits.

The transfer of Old World diseases to the New World, such as smallpox and measles, led to a demographic catastrophe for Native Americans.

Within 100 years of Columbus' arrival, an estimated 90% of the Native American population died due to diseases they had no immunity to.

Europeans had greater immunity to diseases due to higher population density and close living conditions with animals.

Native Americans had limited exposure to animal-borne diseases, as they primarily domesticated dogs, which are less likely to transmit severe diseases.

The depopulation of Native Americans due to disease led Europeans to seek alternative labor sources, resulting in the transatlantic slave trade.

Enslaved Africans were brought to the Caribbean to work on plantations, significantly altering the demographic makeup of the region.

The population growth in Africa due to New World foods paradoxically provided a larger pool of individuals for the slave trade.

The population boom in Europe led to concerns over overpopulation, prompting the migration of people to the colonies.

The Columbian Exchange had profound environmental and demographic effects on both the Old and New Worlds, benefiting Europe at the expense of the Americas and Africa.

Transcripts

play00:00

- [Instructor] Although we tend to think

play00:01

about Christopher Columbus' first voyage in 1492,

play00:05

transforming the history of the Americas,

play00:09

it actually transformed a great deal more than that,

play00:12

and in this video I want to talk

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about the larger world historical process

play00:18

that Columbus' voyage opened up,

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that transformed not only the Americas,

play00:23

but also Europe and Africa, and this was called

play00:26

the Columbian Exchange.

play00:28

So what was the Columbian Exchange?

play00:31

This was a process of transferring

play00:38

plants,

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animals,

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microbes

play00:46

and people

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across the Atlantic in both directions.

play00:52

And not just trading these goods,

play00:54

but transplanting them from Europe and Africa

play00:58

into the Americas and the other way around.

play01:01

And some of these exchanges of species were intentional,

play01:04

like bringing new crops to grow in environments

play01:07

that were suited to them, and some of them

play01:09

were unintentional, like the microbes and pests,

play01:13

which were like little hitchhikers on the bodies

play01:15

and crops that Europeans brought to the New World.

play01:18

And it had a tremendous environmental affect

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that had real consequences

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for people on both sides of the Atlantic.

play01:34

So let's look a little bit closer at some of the things

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that were exchanged across the Atlantic

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after Columbus began the process

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of bringing things from the Old World to the New World,

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and from the New World to the Old World.

play01:50

So first let's take a closer look at the plants.

play01:54

Now, Spain, much like Portugal, was hoping

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to use this tropical landscape to grow cash crops.

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So Columbus brought with him sugar and grapes

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for wine, and coffee, these were all crops

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that would fetch high prices in Europe.

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It was so lucrative to grow sugar in the Caribbean

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that they didn't even want to give up any space

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to grow food, they imported their food

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so that they could spend all of their land growing sugar.

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The Europeans also brought New World crops

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back to the Old World, and some of these it's

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almost impossible to imagine a world before,

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for example, the tomato had ever come to Europe.

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Can you imagine Italian food with no tomato sauce?

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They also brought corn and potatoes

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and sweet potatoes and cassava, or manioc.

play02:51

And what's important about most of these crops is

play02:55

that they're very calorically dense.

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So if you grew a field of potatoes,

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instead of a field of wheat, which might be

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a typical crop grown in the Old Word before contact,

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you can feed three times as many people

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with a field of potatoes than you can with wheat.

play03:21

So what does this cause?

play03:23

It causes a real increase in population in Europe.

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It also causes an increase in population in Africa,

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where manioc is a crop that was frequently grown

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and also very calorically dense.

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So New World foods helped Europe and Africa

play03:39

increase their populations.

play03:42

So what about these animals?

play03:44

The Europeans brought cattle, sheep,

play03:47

pigs, and horses to the New World, with mixed results.

play03:53

Horses, for example, were a tremendous technology

play03:58

that was widely adopted throughout Mexico

play04:01

and the Native Americans living in the Great Plains

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of what is today the United States found

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that horses revolutionized their ability to hunt.

play04:10

So that was a great step up for them.

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The pigs they brought over, however,

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weren't so great because Europeans allowed the pigs

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to roam freely, which meant that they ate everything,

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including the Native Americans' crops,

play04:25

and they multiplied very quickly.

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So they became kind of a pest in the New World.

play04:32

Probably the thing that had the biggest affect

play04:35

in the Columbian Exchange was the transfer

play04:39

of Old World diseases to the New World.

play04:43

With Europeans came smallpox, measles,

play04:48

whooping cough, and the Native Americans

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had very little immunity to these diseases.

play04:55

It's estimated that within 100 years

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of Columbus landing in Hispaniola,

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90% of all people who were living

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in the Americas died of disease.

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This is a demographic catastrophe

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the likes of which the world has never seen

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before or since.

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And most of the Native Americans who were affected

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by these diseases would never have actually interacted

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with a European, they just had trade networks

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that spread these diseases back and forth

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throughout the Americas.

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Now, you might be wondering, okay,

play05:44

so if the Native Americans were being exposed

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to new diseases from the Europeans,

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weren't the Europeans also being exposed

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to new diseases from the Native Americans?

play05:56

Why didn't it have such a strong impact on them?

play05:59

There are a couple of reasons for that.

play06:01

One is that there was a greater population density

play06:06

in Europe and Africa, there were more people

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and they lived closer together in cities.

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So this gave diseases opportunities to bounce

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back and forth between people and evolve

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and become stronger.

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The other important thing is that Europeans lived

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close to animals,

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and as we remember from things like bird flu

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or swine flu, animals and humans can pass diseases

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back and forth between each other,

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and that makes those diseases even stronger.

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In comparison, Native Americans didn't have much

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population density and they only domesticated dogs.

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And dogs, unlike pigs, can't pass that many diseases

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back and forth between humans.

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So Native Americans just didn't have diseases

play06:57

that were as vicious as the diseases

play07:00

that had been passed from person to person

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for many thousands of years in Europe and Africa.

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So this gets to the last aspect of the Columbian Exchange,

play07:10

the exchange of people.

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Very quickly after Europeans arrived,

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the Native American population suffered

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from tremendous outbreak of disease,

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which meant that although the Europeans had hoped

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to enslave them and use them as a labor force

play07:32

in these Caribbean plantations, very few of them survived,

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which meant that the Europeans needed another labor force.

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They found that labor source on the West Coast of Africa,

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where there was a long tradition of slave trading,

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and they brought enslaved African people against their will

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across the Atlantic to work in the Caribbean,

play07:56

so that very quickly a majority of the population

play08:00

in the Caribbean was of African descent.

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Ironically, this population explosion brought on

play08:08

by New World foods meant that there were more people

play08:12

in Africa who were possible subjects to enslavement,

play08:15

and it helped them keep their population numbers

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relatively steady despite the exodus of

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as many as 12 to 13 million people

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over the course of the years between Columbus arriving

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and approximately 1800.

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Likewise, this population explosion in Europe led

play08:37

to worries about overpopulation

play08:42

in the 1600s and 1700s.

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And what did the nations of Europe do?

play08:49

They began sending people over to the colonies.

play08:52

So the contact and exchange initiated

play08:55

by Christopher Columbus when he connected

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the Old World with the New had a profound affect

play09:02

on the environment, not just of the New World,

play09:05

but of the Old World as well.

play09:07

And this profound affect on the whole benefited Europe,

play09:11

at the expense of the Americas and of Africa.

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Etiquetas Relacionadas
Columbian ExchangeHistorical ProcessTransoceanic TransferCultural ImpactEconomic ShiftPlants and AnimalsDisease ExchangePopulation DynamicsNew World CropsOld World DiseasesEuropean Colonization
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