Mississippi River.
da misss'ippi riivuh yo.
the Mississippi River
The eastern boundary was the Mississippi River, while the western boundary was the original 13 colonies along the Atlantic coast.
1783
Hawi
The Treaty of Paris in 1783 officially established the eastern boundary of the United States along the Atlantic Ocean after the end of the American Revolutionary War. The Adams-Onís Treaty of 1819 between the US and Spain further solidified the western boundary by ceding Florida to the US and setting the boundary with New Spain.
The Mississippi River formed the western boundary.
the Mississippi River.
proclamation 1763
it isn't the Mississippi
The Mississippi River