This document outlines the key leaders and events leading up to World War 2. It discusses the positions and strategies of British Prime Minister Chamberlain, Soviet leader Stalin, Italian leader Mussolini, and German leader Hitler. It describes Hitler's goals of expanding German territory and his violations of the Treaty of Versailles. Hitler's invasions of Austria, Czechoslovakia, and Poland are summarized, which led Britain and France to declare war on Germany in 1939, starting World War 2.