Where was slavery in american colonies concentrated?

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

Which one of these was a consequence for farmers during the dust bowl

Classify the most significant contributions of the two major indian empires to world culture