Its mostly a stylistic choice although at one points it was mostly a heat related idea. Hot air rises so having a steep roof allowed for the accumulation of hot air. It was also a good windbreaker so a collection of houses were able to stop a lot of the harsh wind from damaging things.
Answer: "mania" ; or, "manic episodes".
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Answer:
America's role in foreign
The industrial growth
Population growth
Explanation:
The country built up its military strength and became a world power.
