Answer: I am pretty sure it was the Eastern front. I hope this helps.
Answer:
Answer: Mesopotamia’s rivers and location in central Asia supported extensive trade routes. In the time of Mesopotamia, smaller civilizations existed to the west in Europe and North Africa and to the east in India. For these regions to trade, they needed to traverse Mesopotamia’s territory between them.
Explanation:
The positive effects of getting California is that it's closer to Asia, and California side of the nation at the time could have open territory to conquer.
I would say language diffusion
