Answer: The answer is A: Quiet.
Explanation: When studying, it's best that the place you choose to do so is quiet and doesn't contain any distractions so you can stay focused easier.
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The immediate cause of World War I that made the aforementioned items come into play (alliances, imperialism, militarism, nationalism) was the assassination of Archduke Franz Ferdinand of Austria-Hungary. In June 1914, a Serbian-nationalist terrorist group called the Black Hand sent groups to assassinate the Archduke.
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D it was made to make trade quicker and more efficient connecting the two bodies of water
