How did trade exchanges affect the city of timbuktu ?

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 views of the federalists. how did they feel about ratifying the constitution.

Which directions did the mongols travel as they swept across asia and europe