ended up not joining. Inter-war years: 1918–1939 United States in the inter-war years After World War I, most Americans regretted getting involved in world affairs and desired a "return to normalcy". The 1920s were a period of economic prosperity in the United States. Many Americans bought cars, radios, and other appliances with the help of installment payments. Also, many Americans invested in the stock market as a source of income. Movie theaters sprang up throughout the country, although at first they did not have sound. Alcoholic beverages were outlawed in the United States and women were granted the right to vote. Although the United States was arguably the most powerful nation in the post-war period, Americans remained isolationist and elected several conservative presidents during this period. In October 1929 the New York stock market crashed, leading to the Great Depression. Many lost their life's savings and the resulting decline in consumer spending led millions to lose their jobs as banks and businesses closed. In the Midwestern United States, a severe drought destroyed many farmers' livelihoods. In 1932, Americans elected Franklin D. Roosevelt president. Roosevelt followed a series of policies which regulated the stock market and banks, and created many public works programs aimed at providing the unemployed with work. Roosevelt's policies helped alleviate the worst effects of the Depression, although by 1941 the Great Depression was still ongoing. Roosevelt also instituted pensions for the elderly and provided money to those who were unemployed. Roosevelt was also one of the most popular presidents in U.S. history, earning re-election in 1936, and also in 1940 and 1944, becoming the only U.S. president to serve more than two terms. Europe in the inter-war years Europe was relatively unstable following World War I. Although many prospered in the 1920s, Germany was in a deep financial and economic crisis. Also, France and Britain owed the U.S. a great deal of money. When the United States went into Depression, so did Europe. There were perhaps 30 million people around the world unemployed following the Depression. Many governments helped to alleviate the suffering of their citizens and by 1937 the economy had improved although the lingering effects of the Depression remained. Also, the Depression led to the spread of radical left-wing and right-wing ideologies, like Communism and Fascism. In 1919-1921 Polish–Soviet War took place. After the Russian Revolution of 1917 Russia sought to spread communism to the