World War 1

Laila J.


Causes why United States enter the war

1. German Submarine sank the Lusitania. 2. United States found out that a telegram had been sent from Germany to Mexico asking to enter war on the side of the central Powers. Germany promised to help Mexico get back landsit had lost to the United States. 3. German Submarines sank 3 American owned trade ships.

Causes of WW1

Fierce rivalries had developed among European nations. They competed for military power and ownership of European lands. Strong feelings of nationalism started. European nations competed for new land in Africa,Asia, and the Middle East. New land meant new trading opportunities.greater wealth, and more power. Serbian nationalist assassinated Archduke Franz Ferdinand, heir to the Austria-Hungarian throne. Austria Hungary declared war on Serbia.