When did people begin arriving in the americas?

The solvent union and u.s believed in two different economic systems which was?

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

4. argument take the perspective of a foreign soldier volunteering to serve in the united states in the fight against the british. write a letter to family back home explaining why you have decided to risk your life in this cause.