What is the cause of the black death

What does munich’s refer to in the 13 days?

What kind of contact did christopher columbus and native americans initially have?

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