What made it possible for permanent societies to form during the neolithic age?

What was the 1787 constitutional convention? !

Why did un coalition troops battle iraqi forces in 1991? iraq had invaded saudi arabia, along with its other border nations.iraq had invaded kuwait, which was a major source of the world's oil.the united nations wanted to remove saddam hussein from power.the united nations wanted to prevent the trade of illegal drugs.

Explain how the principle of separation of powers is reflected in the