1 point What was the last, island victory of the United States moving closer to
mainland Japan?
*

Battle of Okinawa

Explanation:

Even if you look at the map, Okinawa is the closest to Japan

the monroe doctrine is the best known u.s. policy toward the western hemisphere. buried in a routine annual message delivered to congress by president james monroe in december 1823, the doctrine warns european nations that the united states would not tolerate further colonization or puppet monarchs.