The Black Death was a plague that started in Central Asia in 1338 then it reached to China in 1346 One false rumor was that the moguls started it which was not true It affected the Black Sea port by 1347. It killed from 75 to 200 million people. Then Europe was a victim of The Black Death 1346 and lasted until 1353. Cracow and Poland were not affected by the Black Death.
Advantages:
From a conservative or state-based ideology: it is much easier to control population since they rarely receive "strange" ideas or influence from outside. Domestic policies become much more important. In so, it becomes easier to set popular aims targeting citizens.
The country could(historically seen) stand the best defense against outside powers which could try to set an invasion. For example, the Great Wall of China turned out to set a strong defense against Mongols and other menaces along many centuries.
Disadvantages are listed:
Trading with other countries can influence negatively on economic growth, as there is no autonomous country even if it results as big as China.
Trade has become key in today's globalized world, henceforth the need to collaborate or cooperate in economic exchanges is a necessity to keep up the pace in global affairs.
Willamette valley I think
He reoccupied the Rhineland (demilitarized zone), he also rebuilt his army and his air-force but that was around the time when the disarmament conference failed so he used that as his excuse to rearm (other countries were doing the same).
<span>I think this was in 1939 but he also had a political union with Austria which he wasn't allowed to do. </span>
<span>The allies did not do anything to prevent him from breaking the terms of the treaty as many people saw that it was too harsh on the germans so there was no point in protecting it.
</span>This was not copied from a website or someone else.
