One thing I learned from the video was that after purchasing land from Napoleon, Lewis and Clark were sent to explore the land and they were accompanied by a Native American woman named Sacajawea who served as a guide.
Answer:
I think is west i think but I don't really know
Answer: I think just natural causes.
Explanation:
B, when people controlled the flow of the rivers.
The problem with mesopotamia was that although it had incredible natural defenses, it was in the middle of an enormous flood plain, so the people needed a way to control how much water came in and out of the farmlands.
