By studying the map, which of these statements and be determined to be accurate?

Responses
A Deserts prevented communication and transportation.Deserts prevented communication and transportation.
B Rivers provided a source of both water and transportation.Rivers provided a source of both water and transportation.
C Open plains made transportation easy throughout the region.Open plains made transportation easy throughout the region.
D There was no efficient way to trade goods or information in the region.

By studying the map, the accurate statement that can be determined is:

B. Rivers provided a source of both water and transportation.