How did post world war 1 treaties effect national borders in Europe and Asia?

Post-World War I treaties, particularly the Treaty of Versailles and the treaties of Saint-Germain and Trianon, significantly redrew national borders in Europe and Asia. These agreements dismantled empires like Austria-Hungary and the Ottoman Empire, leading to the creation of new nations such as Czechoslovakia and Yugoslavia, while altering existing borders based on ethnic and national lines. This redistricting often disregarded historical, ethnic, and cultural contexts, sowing seeds of conflict that would affect regional stability for decades. In Asia, territories were also reshaped, impacting colonial possessions and setting the stage for future national movements.