What were three effects of the end of world war 2 on American society

World War II started on September 1, 1939, with the German invasion of Poland. With war already raging in Asia, the invasion sparked a global conflict that lasted until 1945. The Axis Powers fought relentlessly against the Allied Powers for dominance around the world. The United States remained neutral in the war until Japan, a member of the Axis Powers, attacked an American naval base at Pearl Harbor, Hawaii, on December 7, 1941. In response to the attack and a dramatic speech by President Franklin Delano Roosevelt, the U. S. Congress declared war on Japan on December 8, 1941. Three days later, the United States declared war on Germany and Italy.