Answer:A German U-boat torpedoed the British-owned steamship Lusitania, killing 1,195 people including 128 Americans, on May 7, 1915. The disaster set off a chain of events that led to the U.S. entering World War I.
Explanation:
Schwieger was to blame for sinking the Lusitania. It changed the course of the war because it hindered or severed relationships between Germany and the U.S
