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

The United States acquired the Louisiana Territory from France in 1803 through a significant transaction known as the Louisiana Purchase. This acquisition effectively doubled the size of the United States at the time and was a pivotal moment in American history. The Louisiana Territory encompassed a vast area of land that stretched from the Mississippi River to the Rocky Mountains and included parts of what are now 15 different states.

This purchase not only expanded the territorial reach of the United States but also provided access to critical resources and waterways, enhancing the potential for economic development and westward expansion. The deal was negotiated by President Thomas Jefferson, who recognized the strategic and agricultural importance of this land for the growing nation.

Overall, the acquisition of the Louisiana Territory laid the groundwork for future expansion and exploration, such as Lewis and Clark's expedition, and shaped the development of the United States in the following centuries.