What did world war 1 veterans do to try to get their service bonuses early

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.

Capitalism competed with dominance in the twentieth century communism merchantilism free enterprise feudalism

Which statement describes the impact of the 21st amendment?