During the U. S. civil rights movement of the 1950s and 1960s, the Southern Christian Leadership Conference, the Black Panthers, and the Student Nonviolent Coordinating Committee were all working toward the goal of ending racial discrimination. But "prevented" them from working together toward that goal.

their respective ideological differences and rigid bureaucratisation

Explanation:

The civil rights movement of the 1950s and 1960s achieved the breakthrough in equal-rights legislation for African Americans by breaking the pattern of public facilities' being segregated by “race” in the South.

This movement was a struggle for justice and equality for African Americans. It was led by the Southern Christian Leadership Conference, the Black Panthers, and the Student Nonviolent Coordinating Committee but their respective ideological differences and rigid bureaucratisation "prevented" them from working together toward that goal

answer; /// the above statement is (