Please help me!! The river valleys of the Tigris-Euphrates, the Nile, and the Indus were centers of civilization because they

a. had rich deposits of iron ore and coal

b. were isolated from other cultural influences

c. were easy to defend from invasion

d. provided a means of transportation and irrigation

How did bacon's rebellion affect relations between colonists and native americans? a. relations improved after many were disgusted by the violence of the rebellion. b. after the rebellion, colonists placed less focus on the "indian problem."c. the rebellion showed many that in order to establish better relations between colonists and native americans,  slavery  had to be legalized. d. more colonists supported an armed expansion into native american territory.

What does separation of church and state mean?

Montezuma was taken prisoner by the spanish and held captive for months while the spanish ransacked the city of tenochtitlan. what was the fate of montezuma? a he escaped only to be cut down in battle. b he reasoned with the spanish and got them to leave the city. c he died of old age while in the custody of cortes. d he was struck with stones trying to plead for peace with his people and it is reported he died a few days later.