Why was Central Eastern Europe created after World War One?

One of the reasons for recreating Central Eastern Europe after World War One was the policy of self-determination, which was put forward and fiercely supported by an American president, Woodrow Wilson, who also had very democratic ideas. He, as well as the other peacemakers argued that people who thought of themselves as a nation should form a single state. For example, Poles should live in a country called Poland, which should be governed by Poles; and, as far as possible, there should be no other people inside Poland and no Poles outside Poland. Wilson believed that the war had broken ou…