This PowerPoint Lesson covers the main points of World War One, including the two alliances, the Archduke's assassination, trench warfare, new technologies, the Lusitania, and the peace conference. This lesson also features a study of how propaganda was used during the war, and includes several WWI propaganda posters. The lesson wraps up with information on the Russian Revolution and the rise of the Soviet Union. This is perfect for any Social Studies class learning about this pivotal era. The PowerPoint includes 19 slides of relevant text and pictures.