Question- When did the first Americans arrive in South America? Can u please help me and read the text Both paragraphes. Plz don’t comment or answer I can’t read all of that. I need an expert.

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

What kind of organizations are supported by economic interest groups? a. civil rights organizations b. professional organizations c. womens' rights organizations d. business and trade organizations

What is the waterway that links the atlantic and pacific ocean