a. He proved once and for all that the earth is round.

b. His discovery led to the colonization of the Americas.

c. He opened up a new trade route to Asia.

d He was the greatest mapmaker of his time.

a. Archenemies

b. Friendly rivals

c. Perfect strangers

d. Business partners

a. The desire for riches and power.

b. A profound devotion to the Spanish royal family.

c. His fervent interest in geography.

d. The potential to chart unexplored territory.

a. The eastern coast of Asia

b. The eastern coast of the present-day United States

c. The western coast of the present-day United States

d. The Caribbean Sea

a. Docile

b. Hostile

c. Greedy

d. Wary

a. Columbus had problems with his vision and hearing.

b. Columbus was illiterate.

c. Columbus was determined to cover up his mistakes.

d. Columbus knew virtually nothing about Indian culture.

a. He was elected by the island's inhabitants

b. He inherited the post from the previous governor

c. He deposed the previous governor and took the post by force

d. He was given the title in advance by the king and queen of Spain