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James madison proclaimed annexation of Florida on october 27 1810
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Great Britain and The United States agreed to have a boundry line on the 49th parralel
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The Republic of Texas wanted to join with the USA after seceding from Mexico. Their annexation was official on Febuary 19 1846
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United States got more colonists to the Oregon territory and Great Britain said OK
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This event happened after the Mexican American War. The USA aqcuired the modern Southwestern part of the USA
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This purchase aimed to reduce border tension between The United States and Mexico