What is the theme of the four freedoms speech by franklin d. roosevelt ?

Why did river valleys most farming impact the lives of neolithic peoples?

What features of the electoral system support the existence of a two party system and analyze one of these features and explain its role

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