They came to trade fur, they also were looking for new land and a good route to the Pacific, and sought to convert American Indians. :)
Answer:
New ways of governing were needed.
The people migrated to other lands.
The amount of trade dropped dramatically.
New schools were created to train scholars.
The Mexican war led to the capture of Arizona, New Mexico, Texas, and a part of California. Hope this helps.
The answer is b) flat plains. Egypt is a desert where as Mesopotamia is flat mud plains, so they are not similar there.