By 1600, on which continents did spain claim territory?

During wwi, literacy tests were used to control immigration, which marked a return of what type of ideology in some americans?

What was the main objective of the national origins act of 1924

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