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The US purchases The French's land offering during Thomas Jefferson's presidency, and then overtime, France and the US start to transfer enough negotiated land and territories that eventually become part of the US states.
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Louisiana becomes part of the US as the 18th state.
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Missouri becomes part of the US as the 24th state.
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Arkansas becomes part of the US as the 25th state.
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Under Abraham Lincon's presidency, he signs an act and creates Idaho as territory, and a soon to be US state.
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Oklahoma becomes part of the US as the 46th state.