US Expansion and Exploration

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acquisition

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an asset or object bought or obtained

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describe

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to give an account in words (of someone or something) including the important characteristics, qualities, or events

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expansion

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the act of becoming bigger or of making something bigger : the act of expanding

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expedition

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a journey especially by a group of people for a specific purpose (such as to explore a distant place or to do research)

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explain

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to make something clear by describing it in more details or by revealing relevant facts or ideas

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frontier

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a region that forms the margin of settled or developed territory

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Lewis and Clark Expedition

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from August 31, 1803, to September 25, 1806, also known as the Corps of Discovery Expedition, was the United States expedition to cross the newly acquired western portion of the country after the Louisiana Purchase.

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Louisiana Purchase

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the acquisition of the Louisiana territory (828,000 square miles) by the United States from France in 1803

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Manifest Destiny

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belief that the expansion of the US throughout the American continents was both justified and inevitable

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Meriwether Lewis

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an American explorer, soldier, politician, and public administrator, best known for his role as the leader of the Lewis and Clark Expedition, also known as the Corps of Discovery, with William Clark