Argued that the sun, rather than the earth, was the center of the known universe and that the earth and other planets circle the sun.

In 1958, the aarp was organized to promote

Experimented with communism before taking part in a number of civil rights and antiwar protest

How does the supremacy clause of the u.s. constitution affect the states? o a. it requires each state to establish a supreme court. b. it declares that the federal government can take away state powers if necessary. o c. it allows state governments to overthrow the federal government if necessary. o d. it ensures that the u.s. constitution overrules each state constitution