The document summarizes key aspects of liberalism and rejections of liberalism through history. It discusses the philosophies of classical liberal thinkers like John Locke, John Stuart Mill, and Karl Marx. It then analyzes circumstances in Germany and Russia that made communism and fascism appealing rejections of liberalism, including economic turmoil after WWI in Germany and oppression under the Tsar in Russia. The document considers elements of these rejections that could still be considered liberal and debates how justified the rejections were given the circumstances. It concludes by comparing the past rejections to the contemporary rejection of liberalism by the Taliban in Afghanistan.