Which was used in the economies of both ancient egypt and ancient Mesopotamia

Ancient Egypt and Mesopotamia based their economies on agriculture. Each farmer paid taxes in the form of grain. This grain was used to feed the people in the event of a famine. Trading was a common feature in both the societies and commercial interaction with the outside world was extensive in both places.

Explanation:

i'm asking the same thing i asked this other cat all of

the map that was shown mostly had eastern asia highlighted. the answer would mostly likely be "the spread of communism into eastern asia set the stage for the korean war."

hopefully this .