History: U.S. Acquisition of Territories

1) Who did the U.S. purchase Alaska from in 1867? 2) Who was the President of Hawaii during U.S. acquisition of Hawaii? 3) Which country did Spain relinquish all claims of sovereignty to be occupied by the U.S. under the Treaty of Paris? 4) After being invaded by the U.S. during the Spanish-American War, which country’s inhabitants were granted U.S. citizenship after the war? 5) The acquisition of what territory after the Spanish-American War led to a violent resistance from its inhabitants? 6) Who was the U.S. President during the Spanish-American War?