Explanation:
Japan's isolation came to an end in 1853 when Commodore Matthew Perry of the United States Navy, commanding a squadron of two steam ships and two sailing vessels, sailed into Tokyo harbor. He sought to force Japan to end their isolation and open their ports to trade with U.S merchant ships
They ambushed the Mongol Empire in China.
The original purpose of the Selective Service Act of 1917 was to draft Americans into the armed forces. This was used as a means to increase the size of the American army during World War I.