Who obtained congressional approval of the acquisition of the Louisiana territory by the United States from France?
Randolph County, Arkansas:  The county is named for John Randolph, a U.S. senator from Virginia influential in obtaining congressional approval of the Louisiana Purchase, which includes today's Randolph County. Louisiana Purchase: The Louisiana Purchase (French: "Vente de la Louisiane" "Sale of Louisiana") was the acquisition of the Louisiana territory (828,000 square miles or 2.14 million km²) by the United States from France in 1803. Louisiana Purchase:  The U.S. paid fifty million francs ($11,250,000 USD) and a cancellation of debts worth eighteen million francs ($3,750,000 USD) for a total of sixty-eight million francs ($15,000,000 USD, or around $250m in 2016 dollars).
John Randolph