The answer is D. War drove many German refugees from their home.
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A local fast food restaurant manager is usually facing an almost perfect competition in demand for high-school employee labor. That of course goes mostly to the benefit of the restaurant, and in lesser measure to the high-school students as well.
The reason for this kind of situation is that the fast food restaurants do not seek any specific working skills or experience. It is also the easiest and most available job that the high-school students can get. The high-school students do not have high demands for their wages, as they use it as a job from which they can collect some spear money, usually for when they go to college. The manager faces a situation where there's labor force in abundance, much more than it is needed, with low demands for wage, and the work will be adequately done.
Similarly to the state government and the national national parks
Well they began considering it because they didn't want another armed revolt like the Americas did. So they peacefully let them leave. Also they let them leave so they could be allies and be valuable trading partners. Also they knew they had enough to deal with like the threat of the cold war bombing. Plus they didn't want India turning to Soviet communism influence. This a basic summary of why they peacefully seceded India and let them become their own country.