Why did many African Americans participate in the Great
Migration of the early 20th Century?

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.

Explanation:

a.) a poor farmer, due to the fact that they would want to be freed from british rule.