Question

What caused the great migration?

Answer 1

The primary factors for migration among southern African Americans were segregation, an increase in the spread of racist ideology, widespread lynching (nearly 3,500 African Americans were lynched between 1882 and 1968), and lack of social and economic opportunities in the South.

Answer 2

Those places where there is Fulfillment of basic and additional needs.
Those place where there is fertile land.
Employment opportunities.
And many more