Alfred Thayer Mahan was a United States naval officer and historian. His book <em>The Influence of Sea Power Upon History, 1660–1783</em> (1890) was widely acclaimed, especially in Europe.
In his book, Mahan argued that the power a nation has depends predominantly on its dominance of the seas. He also argued that the economic future of the U. S. depended on getting new markets abroad. This required an end to isolationism. It also required a powerful navy to protect these markets from foreign rivals.
It is A, Jackson tried to get rid of them and in 1830 he sgined the Indian Removal Act.
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2. persuade the north they couldn't win
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The State of the Union address is a communication between the President and Congress in which the chief executive reports on the current conditions of the United States and provides policy proposals for the upcoming legislative year. The State of the Union address originates in the Constitution.
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