The major causes of World War II were numerous. They include the impact of the Treaty of Versailles following WWI, the worldwide economic depression, failure of appeasement, the rise of militarism in Germany and Japan, and the failure of the League of Nations.
The United States sent peacekeeping forces to Bosnia-Herzegovina in 1996.
Bosnian Serbs had been carrying out a campaign of ethnic cleansing against Bosniaks and Croatians. The United States also was involved in the Dayton Accords in November 1995, which were aimed at resolving the conflict in the Balkan region.
I believe postulates are given or assumed true statements without a proof. And a theorem can be proven. You do this in geometry if I remember correctly.
