Why did many Sumerian city-states develop near the mouth of the Tigris and Euphrates rivers?

because it provided water, transportation, and good soil for farming

Explanation:

also if u can, pls go answer my question i just posted on my acct

answer; i believe that the correct answer is (c) arctic tundra;

religion played a major role in the american revolution by offering a moral sanction for opposition to the british--an assurance to the average american that revolution was justified in the sight of god. the revolution strengthened millennialist strains in american.