The flooding of the Tigris and the Euphrates rivers as long as it wasn't too strong
B, C, and, D because the Neolithic Age was when they went from nomadic hunters and gatherers, to a farming and planting lifestyle which led to permanent homes and specialized jobs
A) there should be a monarch instead of a president
Most were k in favor of the Quartering Act. Some may not, but most were.
"Their contributions and innovations made modern cities possible"
hope this helps!
