Germany prompted the United States to join World War I because of it's violation of the pledge for unrestricted submarine warfare in the North Atlantic Ocean and Mediterranean Sea, as well as enticing Mexico to turn against the United States. I hope this helps :)
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The main purpose of China's artificial islands is not to help fight a war against the United States. Beijing's primary strategy in the South China Sea is to use civilian and paramilitary pressure to coerce its Southeast Asian neighbors into abandoning their rights.
Answer: Rome's location on the Italian peninsula, and the Tiber River, provided access to trade routes on the Mediterranean Sea. As a result, trade was an important part of life in ancient Rome. ... Later, the Roman armies used these same routes to conquer large amounts of territory and expand the empire along the Mediterranean.
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