Its been a while since I did this topic, but I believe it was mostly because under communism there was little work for intellectuals, so they were often the ones who left the country. This resulted in a 'brain drain', a lack of knowledgable people. I seem to remember reading about the entire maths department of a university just up and leaving at one point. You could also argue that it was damaging for the image of communism if so many people were trying to leave.
Answer: it is called chronological pattern
Explanation:
A chronological pattern of organization arranges information according to a progression of time, either forward or backward.
Yes it can, . .. technically, a nation-state can be defined as a political unit., since a nation-state has a group of people that gathered under a same government that has its own policy that the people has to follow in their day to day life.
hope this helps
The greeks had victory over
marathon
salamis
and Plataea in the 5th century BCE
The lasting impact of George Washington is that he legitimized the United States presidency and set precedents that remain today, such as the presidential veto and two-term limit (which later became law). He rejected the idea of a monarchy in favor of a democratic republic.