AP Modern World History Flashcards: Columbian Exchange
Written by AP Content Team, Verified for 2026 AP Exams, Last updated: May 2026
Review key ideas with interactive flashcards. This set includes 14 cards to help you master important concepts.
Besides smallpox, name another disease from the Eastern Hemisphere that impacted the Americas.
Measles and malaria were two other major diseases endemic to the Eastern Hemisphere that were introduced to the Americas.
Card 1 of 14
All Flashcards (14)
Besides smallpox, name another disease from the Eastern Hemisphere that impacted the Americas.
Measles and malaria were two other major diseases endemic to the Eastern Hemisphere that were introduced to the Americas.
What was the primary cause of the Columbian Exchange?
The new connections established between the Eastern and Western Hemispheres following European colonization of the Americas.
Identify two American food crops that became staples in the Eastern Hemisphere.
Potatoes and maize (corn) are two key American foods that became staple crops in various parts of Europe, Asia, and Africa.
What were cash crops in the context of American colonization?
Cash crops, like sugar and tobacco, were grown on plantations with coerced labor and were primarily exported to Europe and the Middle East for profit.
Give an example of a grain and a sweetener brought to the Americas by Europeans.
Europeans introduced grains (like wheat) and sugar to the Americas as part of the exchange.
Why was the transfer of diseases during the Columbian Exchange so one-sided?
The text explains that diseases endemic to the Eastern Hemisphere spread to the Americas, but does not detail the reverse, highlighting the devastating impact on immunologically naive indigenous populations.
What was the Columbian Exchange?
The widespread transfer of plants, animals, culture, human populations, technology, diseases, and ideas between the Americas (Western Hemisphere) and the Old World (Eastern Hemisphere).
What type of labor system was commonly used on plantations growing cash crops?
Plantations that grew cash crops like sugar and tobacco primarily relied on coerced labor systems.
What was the most devastating effect of the Columbian Exchange on the Western Hemisphere?
The spread of diseases endemic to the Eastern Hemisphere, such as smallpox and measles, which substantially reduced indigenous populations.
What role did enslaved Africans play in the transfer of foods during the Columbian Exchange?
Enslaved Africans brought foods from their homelands, such as okra and rice, to the Americas.
What are 'disease vectors' in the context of the Columbian Exchange?
Disease vectors were organisms, such as mosquitoes and rats, that were unintentionally transferred during the exchange and were responsible for spreading diseases like malaria.
Name two types of domesticated animals brought to the Americas by Europeans.
Europeans brought domesticated animals such as horses, pigs, and cattle to the Americas.
How did the Columbian Exchange affect populations in Afro-Eurasia?
Populations in Afro-Eurasia benefitted nutritionally from the increased diversity of American food crops, which contributed to population growth.
Explain the demographic contrast in the effects of the Columbian Exchange on the Eastern and Western Hemispheres.
The exchange led to a catastrophic population decline in the Western Hemisphere due to disease, while the Eastern Hemisphere experienced population growth due to new, calorie-dense foods.