Answer:
forceful demonstrations of "black power".
Step-by-step explanation:
Black power movement refers to all the efforts taken by African Americans for their emancipation. It was a militant ideology that believed in the self-pride, self-defense, and self-reliance of the blacks in America. The efforts of Black power were organized under its most influential leader Malcolm X in the 1960s. The strength of movement came from the pride in African heritage.