Khan Academy
Khan Academy: Technology in World War I
World War I was one of the bloodiest wars in part due to advances in technology that led to a protracted and gruesome war. This video tutorial uses pictures to explain the newly used weaponry in WWI. Also included is a question/answer...
Khan Academy
Khan Academy: Ap Us History: 1890 1945: Blockades, U Boats, Sinking of Lusitania
Discusses the war between Britain and Germany that took place in northern waters after Britain blockaded Germany and Austria, forcing them to ration food. Germany began to use submarine warfare to block Britain's trade routes, which led...
Khan Academy
Khan Academy: Ap Us History: 1890 1945: United States Enters World War I
Discusses the reasons that the United States entered World War I. [7:05]