i need help1 The bottom question, the last one is china

Based on source 1 which political strategy did sncc most likely support to bring about change in society?

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

Describe the social and economic problems that existed during the coolidge administration, and explain why president coolidge did not address them