I think it is building a new government. I don't have information or documents. I hope this helps. :)
About 35 years. Genghis Khan created the Mongol empire in 1206. By the 1230s Batu Khan invaded Russian and Bulgarian lands. In 1241 at the battle of Mohi Batu Khan defeater a combined German, Polish and Hungarian army. Further expansion ceased do to the death of Ogedei Khan. Batu Khans attention was turned to succession instead of invading Western Europe.
The Decisions at the Atlantic and Yalta conferences affected the structure and purpose of the United Nations because they showed that to keep peace in countries, these countries must be stable. It also called for freedom of elections and the right of people to choose their own leaders in Soviet Union territory, although the Soviet Union greatly opposed this.
Basically, the conferences made sure there would not be another horrific world war
World War I
World War I lasted from July 28, 1914 – November 11, 1918. It started when the Archduke of Austria-Hungary, Franz Ferdinand, was assassinated by Serbia. It ended when Germany formally surrendered.