What were some of the reasons african americans moved to the north during this period?

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.

i believe out of the choices it is a.

cutting down of the rainforest