The Erie Canal made New York a seaport because it's close to it, that improved the economy of the city.
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https://quizlet.com/58430275/71-the-us-enters-wwi-flash-cards/
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In<span> 1917 the </span>use of unrestricted German submarine warfare<span> caused the U.S. </span>to<span>enter the </span>war<span> on the side of the Allies. </span>How did Germany's use of unrestricted submarines warfare bring<span> the </span>United States into<span> WWI ? A </span>German U-boat<span> had sunk the British passenger ship the Lusitania </span>at<span> great loss of life.
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<span>Some states did not want to give up their claims to land west of the appalachian mountains.</span>
Answer:
Although little used today, pamphlets were an important medium for the spread of ideas in the 16th through 19th centuries. Originally published anonymously, “Common Sense” advocated independence for the American colonies from Britain and is considered one of the most influential pamphlets in American history.