Answer: Racism and economic troubles.
Explanation:
These are the elementary reasons for the migration of African Americans to the north. Segregation was very pronounced in the South. A huge number of African Americans have experienced some discrimination in the South. A large number of that population were lynched, so living conditions were impossible. In such circumstances, economic reasons were the cause-effect relationship. A society that discriminates against the population because of skin color did not provide even the minimum economic conditions.
The NAACP reacted to the blaxplotation films by condemning the films’ portrayal of African Americans. Other groups that came out against the films were the Congress of Racial Equality (CORE) and the Southern Christian Leadership Conference (SCLC). Those three groups formed the Coalition Against Blaxploitation (CAB) in 1972 aimed at effecting positive change regarding the roles of African Americans in films.