when a country wants to stay out of the political affairs of other countries

Building up a military to solve a country's problems

policy of one nation gaining control over other lands and using them to build an empire

Countries that help each other in times of need

a love for your country

the killing of an important figure(the spark that started WWI)

Germany was sinking any ships that came near Britain

A British ocean liner that the Germans sank. 128 Americans were killed

A coded message from Germany that said if Mexico helped them in the war, they would get American lands back(Texas, Arizona, etc.)

A plan for a treaty by President Woodrow Wilson to help bring lasting piece

An organization where countries can meet to solve world problems. The US didn't join

The treaty of WWI-made Germany take all the blame