Read about the sinking of the Luisitania in 1915 and find out about how it affected the American desire to enter World War I.

A comprehensive summary with interesting facts about the sinking of the Lusitania passenger liner by a German U-Boat that drew the U.S. into WWI.

This site contains pictures, charts and general information on Germany's use of submarine warfare. It focuses on the second phase of submarine usage, i.e., to disrupt trade lines and enforce embargos.

Describes the events leading up to America's entry into World War I and the changes that took place in America soon after. These included legislation such as the Selective Service Act and the Espionage and Sedition Acts, protests by...

Article presents facts about the attitude of Americans towards the war, the reasons for US entry, and significant events.

Thirty interesting facts about World War 1 include the causes of the Great War, the American Expeditionary Force (AEF), the countries of the Allies and Central Powers, the American troops, WW1 weapons and the different types of warfare...