What supreme court decision set the stage for the civil rights movement of the 1950s and 60

How was the government that was created at the constitutional convention similar to the one proposed in the virginia plan?

Who led the continental army in the final decisive battle of the revolutionary war at yorktown

How are the republican and democratic presidential candidates chosen? a. they are nominated by their state governments. b. each is nominated by his or her respective party. c. each is chosen by the governor of his or her home state. d. they are chosen by the house of representatives.