Im not sure but I think it was the beginning of modern warfare.
The minimum age for a member of the House of Representatives is 25 years old.
Answer:
The Bombing Of Pearl Harbor
Explanation:
In 1941 isolationism was put mainly to a stop when japan bombed pearl harbor. Many Americans felt outraged and angry, many activists for isolationism now supported the war effort like Charles Lindbergh.
(I studied this topic for NHD)
Formation and Early History of the NHL (1917–41) The National Hockey League (NHL) was established in Montréal, Québec, on 26 November 1917. ... The Ottawa Senators dominated the 1920s, with six league titles and four Stanley Cup victories; however, the team folded in 1934.