Under this new treaty, Germany will no longer have a air force, a smaller military,and give up land.
Collpase of Central/European Empires/A New Great Power
New Weapons like the machine gun and tanks were made from WW1.
New military technology like machine guns, airplanes, barbed wire, and more was created, which was great for the user but could be very destructive. Trench Warfare was also widely used in WW1, as soldiers had to live through awful conditions and through many deaths to get a few meters of land.
Nationalism Transforms and Complicated Europe/Boundaries
This is our land!
The Treaty of Versailles caused Germany to lose a lot of land and resources, and downgrade their military significantly, even losing their Air Force altogether. The League of Nations was also formed, with Wilson providing the idea of having an international organization to keep peace and order. This would never go well, as the U.S never joined and it failed years later.
Myths of Victory and Failure/The Largest Loss: A "Lost Generation"
After WW1, the U.S is now a major global power helping in global conflicts, especially in Europe.
The Russian, German, Austro-Hungarian, and Ottoman Empire all collapsed after WW1. While these Empires did fall, one nation grew into one of the leading powers of the World, the United States. While the U.S was now a new great power with a strong modern military and influence on economies in Europe, the U.S brought itself into an era of isolationism.
After the war, it saw a new rise in new nations and independent movements, as people were drawn with nationalismt to reunite with their people as Bosnia and Serbia did becoming Yugoslavia.
No, this is our land!
It is said over 8 million died during WW1.
After the war, many people who were in the losing side, especially Germany, were mad, which fueled the rise of Hitler and his fascist dictatorship. There were also many people who died, both being soldiers and civilians, and would eventually lead to an even more deadly.
Map of Europe after WW2., showing the iron curtain between the Western and Eastern countries.
After the War, it brought a new powerful country, the Soviet Union. Even though communism looked good on paper, it brought famine, poor living conditions, and even executions. People in other countries also feared the spread of communism, as happened later on when the U.S had a red scare.