Which statement best completes the diagram? Cause= The Monroe Doctrine; Effect=? A. Europe loses power in the Americas.

B. Russia gains territory in North America.

C. The United States gains new colonies.

D. Spain declares war in the United States.

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