What began to happen to the great buffalo herds around the 1870’s?

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.

How did the united states surprise other delegates at the washington naval conference in 1921

According to the map, most mining occurs in the. part of the state