What accomplishment of the early Mesopotamia cultures resulted in a long-term solution to seasonal climate changes? A. supplying water to fields with dams and canals
B. building retaining walls around the entire farming settlement
C. settling further from the rivers to prevent damage to homes and fields
D. growing a surplus of food and developing a easy to store it to prevent famine

Option: A. supplying water to fields with dams and canals.

Explanation:

The Mesopotamia economy was based on agriculture. They focused on the cultivation of cereals (barley). Because of the harsh climate, the arid soil and little rain, there was a requirement for large scale irrigation through dams and canals. Canals built to bring the water for the fields to grow crops. Canal also divert water direction, which limits the damage from floods.

c. as a force against soviet invasion of afghanistan

(b) britain had a much larger navy than the u.s.

(d) the u.s. had a small army compared to britain.