21. The early civilizations were formed
A. in the deserts
B. along river valleys
C. among mountain ranges
D. in heavily wooded areas

What religion influenced the first persian empire as established by cuyrus the great?

Why were the actions of native americans so varied in response to relocation? a. the tribes were very diverse and had different beliefs. b. they were exhausting every avenue. c. they all wanted to get the best financial arrangements. d. many of the tribes wanted ownership of the area.

An effect of the steamboat's popularity was that fewer people traveled by rail. o steam locomotives became less popular. people began to build canals in the united states and europe. o more people began to travel between the united states and europe.