Columbian Exchange

What did Christopher Columbus initially mistake the Americas for?

• The West Indies

• Southern Asia

• The East Indies

• Northern Europe

Which of the following was NOT introduced to the Americas from the Old World?

• Wheat

• Potatoes

• Horses

• Cattle

What was a major reason for the rapid conquest of the Aztecs and Incas?

• Numerical superiority

• Advanced architectural skills

• Superior farming techniques

• Lack of unity among tribes

Which disease was particularly devastating to the Native American populations?

• Influenza

• Measles

• Smallpox

• Tuberculosis

What percentage of the world's crops were first grown by Native Americans?

• Nearly 80%

• Around 30%

• Up to 70%

• About 50%