The western front is the line of trenches in France where WW1 took place. ( British allied with France vs Germany)
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It created a large economy around the business of transportation and it made going around and transporting goods across the states easier witch helped the trade of goods.
Battle of Thermopylae. 300 Spartans under king Leonidas and other Greek allies hold back the persians led by Xerxes l for three days but are defeated.
The answer is b
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The capital was built as a city in the south because Hamilton made a compromise that if they repaid state debts the capital would be built there