C not sure um take a guess
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:
to limit the freedom of its citizens :)
Explanation:
I was looking for the same question and found it
Answer:
Jesus!!!
Explanation:
Jesus is God, and Jesus is the founder of Christianity!