What law stated that after the French and Indian War, the American colonists could not move into the newly occupied territory gained from the French?

Which areas where seperated by the iron curtain

In 1944, the supreme court upheld the authority of the u.s. government to order the internment of a minority group in the interest of national security, even though there was no evidence that any members of this group were disloyal to the united states. should the same policy be applied today against u.s. muslims or muslim immigrants? why or why not? are these forms of internment different from native reservations? if so how? if not, why?

Who was the first explorer to sail all the way down the mississippi river