The assassination of Archduke Francis leads to the World War 1. He also kills the Archdukes wife. The United states stayed neutral. http://t1.gstatic.com/images?q=tbn:ANd9GcT_lOj_Y7I4eY0EpvXi0yPWaqyqwd8FV4j-DV1h_VvRlQe2QWiioA
Nearly 1,200 people, including 128 Americans citizens died when a German submarine sinks the Lusitania.
The Russian Revolution begins. http://t3.gstatic.com/images?q=tbn:ANd9GcR9n8vYvkO3bAxUoJcRVJtEz57uoIWtJ-M4Rv0oC7H9hUUWseLpHw
Many soldiers died
Avoiding the war helps President Wilson win the re-election.