True Cause of WWI

The German submarine U-20 sank the merchant-ship Lusitania on May 7th, 1915, which was carrying about 2000 passengers. About 100 of these passengers were American citizens. The photograph portrays the Lusitania receiving fire from the U-20. The exact time is not given, but one could safely guess that the picture was recorded before it sank completely which was in the afternoon (Gilbert 157). "In Britain, the sinking of the Lusitania was, for the rest of the war, a powerful symbol of the conflict between right and wrong, the Kaiser being portrayed as the real murderer of Captain Schwieger's…