- The U.S acquired Florida in 1819 with the Adams-Onís Treaty.
- Florida was admitted to the Union in 1845 as the 27th state.
- The acquisition of Florida was seen as a strategic move to secure the southern border of the United States and to prevent European powers from gaining a foothold in the region.
- The development of Florida as a state was largely driven by its natural resources, such as timber and phosphate, as well as its warm climate and beautiful coastline, which made it a popular tourist destination.