This document provides an overview of several chapters covering Europe and Eastern Europe from 1914 to the end of the Cold War. It summarizes the key causes of World War I, including militarism, alliances, nationalism, imperialism, and assassination. It then discusses the results of World War I, including the Treaty of Versailles and rise of fascism in Germany and Italy. It also summarizes the Russian Revolution of 1917 and rise of communism in Russia under Lenin and Stalin. Finally, it discusses the causes and key events of World War II, as well as the postwar establishment of the United Nations and division of Europe during the Cold War between Western democracies and the Soviet bloc.