A time when the economy collapsed worldwide and millions were unemployed. A.)Dust Bow
B.)World War
C.)Great Depression
D.)Civil War

Ok we will i'm sure 456

The correct answer is a. when they started making tools that will them in cultivating lands, they could raise crops and that made them attached to one place for a longer period of time. after that, they started domesticating animals and building their own permanent settlements that resemble the ones we have today.