a. The Supreme Court became more active in its rulings regarding civil rights
Explanation:
The civil rights movement was a struggle for social justice that took place mainly during the 1950s and 1960s for blacks to gain equal rights under the law in the United States. ... By the mid-20th century, African Americans had had more than enough of prejudice and violence against them.
1956. In January and February, whites angry about the Montgomery Bus Boycott bomb four African American churches and the homes of civil rights leaders King, Ralph Abernathy, and E.D. 13, the Supreme Court upholds an Alabama district court ruling in favor of the Montgomery bus boycotters
I'll first explain what the non-aggression pact was. It was an agreement that the Soviet Union and Germany would take no military action against each other. To answer your question it is B. The pact was to make sure he could safely attack Poland.