Before revision: Among the changes were the establishment of independent states of Estonia, Latvia, Lithuania, Poland, Czechoslovakia, and Yugoslavia (right of centre) Border states or European buffer states was a political term used in the West before World War II, and referring to the European nations that won their independence from the Russian Empire after the Bolshevik Revolution of 1917, the treaty of Brest-Litovsk , and ultimately the defeat of the German Empire and Austria-Hungary in World War I.
After revision: Among the changes were the establishment of independent states of Estonia, Latvia, Lithuania, Poland, Czechoslovakia, and Yugoslavia (right of centre) Border states or European buffer states , were the European nations that won their independence from the Russian Empire after the Bolshevik Revolution of 1917, the Treaty of Brest-Litovsk , and ultimately the defeat of the German Empire and Austria-Hungary in World War I.