This video discusses the importance of naval warfare in World War I. Blockades, German u-boats, and the sinking of the Lusitania that brought the US to the brink of war are explained using maps and pictures. Also included is a...

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...

This video lesson from Khan Academy covers Period 7: 1890-1945 in American History. The sinking of the Lusitania, and its connection to President Woodrow Wilson's declaration of war is discussed in this lesson. This resource is designed...