Which scenario would only be possible following the start of the colombian exchange

Using complete sentences, compare and contrast the leadership and accomplishments of martin luther king, jr. and frederick douglass.

The chinese exclusion act was the first significant law restricting immigration into the united states. why do you think the us government singled out chinese immigrants in particular for exclusion?

Which organization created jobs for blacks, whites, and native americans, improving parks, roads, and buildings? civil rights movement women’s movement environmental protection agency civilian conservation corps