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,

In financial aspects, a depression is a sustained, long haul downturn in monetary movement in one or more economies. it is a more extreme monetary downturn than a recession, which is a slowdown in financial action through the span of a typical business cycle. a depression is an irregular and extreme type of recession. so depression is always followed by recession but it is not correct to state that a depression always follow a recession.