After the end of the First World War , the League of Nations was established , which was created in order to prevent a conflict of this magnitude from repeating itself.
The Russian Empire became the Soviet Union , with the ideology Marxism of Lenin , was the first nation in the world governed by ” proletariat ” after the bloody Civil War Russian .
The United States continued its rapid economic development, however, was disrupted by the Great Depression of 1929 .
Germany , suffocated by the onerous provisions of the Treaty of Versailles , had its financial system in the greatest crisis that century experienced, especially during the period called Weimar Germany , while trying to achieve democratic stability with the Weimar Republic of which Paul von Hindenburg was president. The situation in France was not much better, which led to social discontent that would translate into permanent political instability.
