According to the timeline, which event occurred closest to the year 2020? 1.Cyrus of Persia conquers Babylon.

2.Farming and herding begins in the Fertile Crescent.

3.People migrate beyond east Africa.

4.First empire rises in Akkad,

How is the city of savannah related to the union strategy of a full blockade of confederate ports? a) savannah was the last port needed to be secured in order to totally blockade the coast of georgia. b) savannah was the least significant city in georgia, and the union strategy centered on securing atlanta and capturing the tennessee river. c) savannah was the least significant city in georgia, and the union strategy centered on securing atlanta and capturing the chattahoochee river. d) savannah was the most significant port in georgia, and the union strategy centered on securing bases at savannah and the outlying islands to fully blockade georgia.