The Great Exchange

Europe, Africa, Americas

1845-1852-irish-potato-famine.jpgThe Great Exchange introduces different regions of the world to both crops (e.g., maize, potatoes, barley, wheat, tomatoes, rice, chocolate, vanilla, chilies, and turnips) and livestock (e.g., horses, cattle, goats, turkeys, and sheep) of which they had been unfamiliar.

During Columbus’s travels, he is offered dried tobacco leaves as a gift from American Indians and some of his men return to Europe as smokers. So begins the global expansion of tobacco use. Europeans in the 16th century believed it to help cure numerous health problems.

World Population : 170,060,000

Key:   1,000,000 People    1,000,000 People (Annotated)    Milestone

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