12. What was the major cause of African American migration from the rural South to northern cities during World War I?

Driven from their homes by unsatisfactory economic opportunities and harsh segregationist laws, many Black Americans headed north, where they took advantage of the need for industrial workers that arose during the First World War.

it for the workers lik if you have a job thats what its for

explanation:

some american cities felt workers were being oppressed by business monopolies