It didn't allow them to settle on land west of the Appalachian mountains.
A national border. Long river.
Answer:
From the spanish and On Feb. 22, 1819, U.S. Secretary of State John Quincy Adams and Spanish minister Do Luis de Onis signed the Florida Purchase Treaty, in which Spain agreed to cede Florida to the United States. In exchange, the U.S. government assumed approximately $5 million of claims by U.S. citizens against Spain.
Explanation:
They move after a tragic event by working together
(As i have heard from my teacher) there are only 8 wonders in the world of ancient civiliazations..! :)
