After World War I, the United States became increasingly isolationist until World War II, when America was forced to become more involved in foreign affairs to support France and Britain against Germany and Japan. Originally, the devastating consequences of World War I including war costs, the failure of the Treaty of Versailles and League of Nations in the US, and the harsh treatment of Germany led to America’s isolationism and neutrality. After pulling out troops from Latin American nations, the US further isolated itself in attempts to avoid any type of war, hoping to evade it using both internal and external methods. However, as World War II began and the Allied countries were suffering, Franklin D Roosevelt played a large role in expanding…