Which of the following was a cause of the Great Migration?

Economic exploitation, social terror and political disenfranchisement were the push factors. The political push factors being Jim Crow, and in particular, disenfranchisement. Black people lost the ability to vote.

its whatever your mind tells you

martin luther believed that selling indulgences was wrong and gave people a license to sin. the roman catholic church used the practice of indulgences to raise money for major building projects.