The push factor is the second answer. Pull factor would be the opposite
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The Congress accepted Smithson's bequeathed and pledged to the United States for a charitable trust. After many years of debates, an Act of Congress that was signed by President Polk, stating that Smithson's money will be used to establish the Smithsonian Institution. Since its founding until the recent, Smithsonian Institution became one of the world's largest museum.
They provided water for food and served as transportation waterways
This statement basically means that the government should be run by it's citizens.
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