What agreement set the official border of the Louisiana Territory between Canada and the United States?

a. Rush-Bagot
b. Monroe Doctrine
c. Adams-Onis Treaty
d. Convention of 1818 Can you please check this, my answer is
c. Am I right?

Respuesta :

No. The Adams-Onis Treaty ceded Florida to the US from Spain in 1819. It defined the boundary between US and New Spain (Mexico, not to be confused with Spain). 

The correct answer here is D - the Convention of 1818.
d. Convention of 1818