Many blacks moved from the South to Northern cities during World War lI looking for employment. After the war, a number of them lost their jobs. Why did this happen?

In the 1920s, more than 750,000 African Americans left the South--a greater movement of people than had occurred in the Irish potato famine of the 1840s. The large-scale relocation to the Northeast and West brought many other changes with it, as many largely rural people moved into cities for the first time.