Which president oversaw the Louisiana Purchase in 1803?

• A. Thomas Jefferson
• B. George Washington
• C. John Adams
• D. James Madison

Answer: (A)

Thomas Jefferson was the president who oversaw the Louisiana Purchase in 1803. He directed the negotiations with France and sent James Monroe and Robert R. Livingston to Paris to secure the deal, which France agreed to in order to sell the entire Louisiana Territory for about $15 million. This purchase dramatically expanded the United States, roughly doubling its size, and secured American control of the Mississippi River and New Orleans—vital for trade and westward expansion. Although Jefferson grappled with questions about constitutional authority to acquire new territory, he argued that the treaty power and national interest justified the move, and Congress soon ratified the agreement.