Your answer is A, bank of america.
Answer: Farmers could produce a food surplus, or more than they needed. Farmers also used irrigation to water grazing areas for cattle and sheep. As a result, Mesopotamians ate a variety of foods. Fish, meat, wheat, barley, and dates were plentiful.
A.The Roman empire relied on physical features as natural barriers.
Answer:
B - Federation
Explanation:
Mexico (or United Mexican states) operate as a federation, in which the president functions as both the head of state and the head of the government. Mexico has thirty-states that operate just like the structure that is found in America. They have the executive, judiciary and legislative branches of government with true separation of powers that keeps their activities in check.