Respuesta :
The United States acquired all of Florida in the Adams-Onis Treaty because it agreed to give up it's claims on Texas.
The border was set beyond the Sabine River and Arkansas to the 42 North parallel. As a result, Spain renounced its possessions beyond that latitude, including the territory of Oregon. It also ceded definitively Florida, Louisiana and the navigation by the Mississippi river. The Spanish Crown remained the sole sovereign of Texas, territory that the United States claimed as part of Louisiana, which was purchased from the French in 1803.
The United States acquired all of Florida in the Adams-onis treaty because the texas border is settled between the United States and Spain.
What is a treaty of Adams-onis?
In 1819, an agreement between the United States and Spain established the southern border of the Louisiana Purchase, known as the Adams-onis treaty.
Thus, the Adams-onis treaty is an agreement between the United States and Spain to settle the border of texas.
Learn more about treaty Adams-onis here:
https://brainly.com/question/10632354
#SPJ5