Which was one major source of conflict during the civil rights movement of the 1940s to 1950s? a. the murder of emmett till b. the plessy v. ferguson decision c. the desegregation of the georgia railroad d. the american civil war

A. The murder of Emmett Till

Explanation:

Emmett Louis Till (1941–1955) was an African American boy lynched in Mississippi, with the excuse of having offended a white woman.  

The despicable cruelty of his murder and the later acquittal of his killers led thousands of people across the United States to pay attention and even dedicate themselves to the Civil Rights Movement, to which Till became a posthumous icon.  

c) legal battles last five weeks after the election due to the narrow victory in several states.