The Atlantic Ocean.
The Atlantic Ocean.
proclamation line of 1763
The eastern boundary was the Mississippi River, while the western boundary was the original 13 colonies along the Atlantic coast.
proclamation line of 1763
The Appalachian Mountains served as the eastern boundary for the 13 colonies. This mountain range stretched from Canada down to Alabama, effectively separating the colonies from the western territories. The natural barrier was significant in limiting westward expansion and influencing colonial settlement patterns during the 18th century.
There was one major geographic feature that formed the Western boundary of the 13 colonies. This boundary feature was the Appalachian Mountains.
the
Spain forms the eastern boundary of Portugal.
the
The southern half of the eastern boundary of Alabama is the Chattahoochee River.
Eastern U.S.A.
A divergent boundary.