Horace Mann was an educational reformer who lived in the US in the 19th century. He was a first to advocate a system of a public schools and public education as he believed that everyone had a right to education and that it should be free, democratic and have a professionally trained educators who would provide a quality education.
Answer:Texas became a state, Mexico lost nearly all its territory, and Britain gave up its claim to the Oregon Country below the 49th parallel. Stress that between 1846 and 1848 the United States gained more than one million square miles of territory
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Answer: It is the Panama canal
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