A difficulty is in understanding the columbian exchange is that

World war 2 was caused, in part, by which of these factors?

What does it mean to say the united states has a federal system of government

As time went on, pan-africanism became a philosophy that: a. africans gain colonies in asia. b. african americans be proud of their african descent andwork toward civil rights. c. start many world's fairs to showcase african successes. d. europeans conquer african territory.