Answer:
After the wars ended, Korea remained a divided nation, but Vietnam was reunited under a Communist government.
The Treaty of Versailles helped pave the way for the Nazi party to gain control of Germany by creating resentment and anger among the German people. Many German people were very resentful of their government (the Weimar Government) for having signed the peace Treaty in June 1919, since the terms of the Treaty were indeed very harmful to Germany: it took territory from the country, it forced it to pay reparations, and (and this term really caused indignation about the Germans) it blamed it and her allies for having started the war.
Since the Weimar Government was not popular and the country was facing tremeduous economic and social problems, the Nazis were able to gain the support of the German people, and eventually had the control of Germany.
4. World population did not reach one billion until 1804.
Most important question was freedom or slavery, "give me liberty or death" speech
