What caused the civil rights movement to gain momentum?

A. the post-war economy after World War I
B. African American discontent during the Great Depression
C. African Americans wanting equal rights after World War II
D. Southern politicians beginning to support the idea of integration

The answer is C. African Americans wanting equal rights after World War II. Following World War II, African American soldiers who had fought for their country returned home and continued to experience discrimination and segregation. This led to frustration and a renewed push for equal rights, culminating in the Civil Rights Movement.