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:
There are a lot of differences. Formally the USA is a Federal Republic, while the UK is parliamentary monarchy. In practice, this means the USA has an elected head of state (The President) who has real powers, while the UK has a hereditary monarch (The King or Queen), who has virtually no power but a lot of symbolism.
Explanation:
The four main elements of the human body are oxygen, hydrogen, carbon, and nitrogen.
<span>The two main property invasion crimes are trespass and burglary (option2).
Criminal trespass is connected to enter other property with no consent. Sometimes you might find a "no trespassing" sign as a warning. Burglary is related to "unlawfully entering" a person´s house with the objective of stealing what is inside. </span>
D. Building extra space in a factory to improve production
