What role did the naacp play in the early civil rights movement

The NAACP played a pivotal role in the civil rights movement of the 1950s and 1960s. One of the organization's key victories was the U.S. Supreme Court's 1954 decision in Brown v. Board of Education that outlawed segregation in public schools. ... At the same time, NAACP members were subject to harassment and violence.

the answer is b. hope this !

the constitution gives congress the power to regulate commerce "among" the several states.