Which territory did the United States acquire from France in 1803?

The United States acquired the Louisiana Territory from France in 1803 through a significant land deal known as the Louisiana Purchase. This transaction effectively doubled the size of the United States at the time, adding approximately 827,000 square miles of land. The motivation behind this acquisition stemmed from President Thomas Jefferson's desire to secure land for westward expansion, as well as concerns about France's control over New Orleans and the Mississippi River, which were vital for trade and transportation. The Louisiana Purchase is often regarded as one of the most pivotal moments in American history, as it paved the way for exploration and settlement of the West and significantly impacted the nation's economic development.

The other options represent territories that were acquired by the United States at different times and through different means. Florida was ceded by Spain in 1819, Texas was annexed in 1845 after gaining independence from Mexico, and the Oregon Territory was acquired through negotiation with Great Britain in the mid-1840s. Thus, the Louisiana Territory remains distinct as the major acquisition resulting fromthe agreement with France in 1803.