"Louisiana Purchase" meaning in English

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        "The acquisition of the Louisiana territory (828,000 square miles or 2.14 million km²) by the United States from France in 1803."
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        "(historical, US) The acquisition of the Louisiana territory (828,000 square miles or 2.14 million km²) by the United States from France in 1803."
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        "The acquisition of the Louisiana territory (828,000 square miles or 2.14 million km²) by the United States from France in 1803."
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        "(historical, US) The acquisition of the Louisiana territory (828,000 square miles or 2.14 million km²) by the United States from France in 1803."
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