What territory did the U.S. 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 acquisition played a pivotal role in the expansion of the United States, effectively doubling the size of the nation at the time. The territory encompassed a vast area of land west of the Mississippi River, which included parts of what would become 15 states. The purchase was made for approximately $15 million and was instrumental in facilitating westward expansion, opening up opportunities for exploration, settlement, and economic development. It marked a key moment in American history, illustrating the growing ambition and reach of the young nation.