<span>The event which did NOT happen in Germany in the five years after World War II (1945-1950) is </span><span>The Berlin Wall was put up between Communist North Germany and capitalist South Germany.</span>
The oldest known peace treaty was the Egyptian-Hittite peace treaty. It is also known as Eternal treaty or Silver treaty. The treaty was signed between Hittite empire and Egypt in 1258 BC after the long war, which continued for over 2 centuries. After the Battle of Kadesh in 1274 BC, the sides sought a peace treaty because of heavy casualties on both sides. And it was ratified 16 years later that battle.
Since these 2 acts allowed citizens of the US to be tossed out of the country, or locked up, without due process, political opposition came into play, and individuals that could have made a good contributions to the USA were forced out of the country.