Which regions did both the US and Spain claimed in 1783?

In 1783, both the United States and Spain claimed several regions in North America. The most notable of these disputed areas were:

1. West Florida: This region, which today encompasses parts of Florida, Alabama, and Mississippi, was claimed by both the United States and Spain. The US based its claim on the Treaty of Paris (1783), which recognized American sovereignty over the region between the Mississippi River and the Atlantic Ocean. Spain, however, maintained that West Florida was part of its Louisiana Territory and refused to recognize American authority.

2. East Florida: This region, which corresponds to present-day Florida, was also claimed by both countries. Spain had controlled East Florida since the 16th century, but the United States argued that it had acquired the territory as part of the Louisiana Purchase in 1803.

3. The Mississippi River Valley: Both the US and Spain had claims to the Mississippi River Valley, a vast region that stretched from the Great Lakes to the Gulf of Mexico. The United States asserted that the Louisiana Purchase gave it control of the entire Mississippi River Valley, while Spain held on to its claim to West Florida, which included parts of the valley.

4. Texas: Spain claimed Texas as part of its northern frontier, while the United States considered it part of the Louisiana Purchase. The boundary between Texas and the United States remained contested until the annexation of Texas by the US in 1845.

These conflicting claims over territory led to tensions between the United States and Spain, and contributed to the outbreak of the War of 1812. Eventually, the disputes were resolved through diplomatic negotiations and treaties, such as the Treaty of San Lorenzo (1795) and the Adams-Onís Treaty (1819).