Answer:
The Tigris and Euphrates Rivers provided water for drinking and for crops. Also, the flooding of these two rivers made the soil fertile. ... Rich silt, which helped crops grow, was left behind by floodwaters.
It would be the second one. Confederation is the worst form of government because it did not give enough authority to national leaders.
Over 400,000 woman served in uniform in non combat roles in the U.S armed forces and for the U.S armed forces.