World War 1 was a 4 year war that broke out over a long period of broken alliances and worsened relationships over time, including many different countries.
The countries included in the war was Britain, Russia, France, Germany, Austria-Hungary, Italy, USA, Serbia, and many other smaller countries.
The countries included in the war was Britain, Russia, France, Germany, Austria-Hungary, Italy, USA, Serbia, and many other smaller countries.
This was the main area in the world where WW1 took place. There were troops from countries outside of this pictures that fought in WW1.
Militarism, Imperialism, Nationalism, and Alliances all took place in this are of the world and led to a devastating WW1.
Militarism, Imperialism, Nationalism, and Alliances all took place in this are of the world and led to a devastating WW1.