Were Christopher Columbus voyages important?

Which statement does not accurately describe the columbian exchange and its consequences? a. wheat became a major crop in north america where it had never existed before. b. millions of africans were kidnapped into slavery to provide labor for profitable crops. c. cattle, sheep, chickens, and pigs were brought to europe for the first time. d. spanish conquistadors brought diseases with them and native peoples begin dying.

Plz how did the jews of the diaspora preserve their heritage?

Explain how zollverein, a tariff agreement, to unite the german states.