Early civilizations depended greatly on agriculture, which means that they depended on water.
What Mesopotamians and Egyptians did (as well as others) was that they built canals from the rivers which would lead water to the crops as an irrigation system more or less.
Answer:

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BioTeacher101
Answer:
True true true true true true true
The law in effect at the time of birth determines whether someone born outside the United States to a U.S. citizen parent (or parents) is a U.S. citizen at birth. In general, these laws require that at least one parent was a U.S. citizen, and the U.S. citizen parent had lived in the United States for a period of time.
The answer is A. Just for some extra information Japan said later on the Gave up because the Soviets declared war on them. If the Soviets did not delcar war on them the would have not gave up.
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D. the Great Migration
Explanation:
The great migration is the movement of African American in the early 1900 to late 1900 from rural communities in the south to big cities in the West and North. During this time, it is projected that over 5 million blacks southerner’s moves to urban cities in the North and West. This process was strained as a result of growing social as well as economic inequalities, which increasingly generates labor shortages and sufficient resources for all.