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Thomas Jefferson chooses Meriweather Lewis to go on the expedition. Lewis chooses William Clark to come with him on the journey.
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The expedition of Lewis and Clark.
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Meriwether Lewis, William Clark, and their expedition party, the Corps of Discovery, began their expedition near St. Louis, Missouri.
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Lewis and Clark meet Sacagawea during the winter of 1804. They hire her as an interpreter because she can speak multiple languages.
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Lewis, Clark, and the Corps of Discovery travel through the Rockies. The men almost starved to death, but after eleven days, they made it through.
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Lewis and Clark encounter the Shoshone Indians and tries to negotiate for horses with the chief, who was also Sacagawea's brother.
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Lewis, Clark, and the Corps of Discovery reaches the Columbia River, which is in present day Washington.
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Lewis and Clark finally arrive at the Pacific Ocean. They spent the winter in what is now Oregon.
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After re-crossing the Rockies, the Corps of Discovery decides to split up in smaller groups in order to explore more of the Louisiana Purchase.
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All of the small groups reunite downstream of the Yellowstone River.
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Lewis, Clark, and the Corps of Discovery return home after a long journey exploring the northwest.