estimate how long civilization in the fertile crescent did civilization begin before civilization in Egypt and Nubia

The Sumerian civilization is the oldest civilization known to mankind. The term Sumer is today used to designate southern Mesopotamia. In 3000 BC, a flourishing urban civilization existed. (sorry if this isn't what you're looking for :(

Explanation:

the us hoped to prevent any nations from leaning towards soviet union-based communism. the containment policy was established in hopes of keeping communism from spreading to new places.

explanation:

i think it is in quadrant 4.

the five year plans were part of a command economy. there was little choice in what would be emphasized for the current 5 year period.

the answer to democracy or totalitarianism is a bit harder. in stalin's time, russia was totalitarian. now that's not entirely true. putin has moved towards at least the boundary.