What challenges did the conquistadors encounter in north america

What impact did entry into ww1 have on life in the us?

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 of the following was a typical tactic of nativists in the late 1900?