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the western cordilleras are young fold mountains, while the appalachians are old fold mountains.
the coastal area is between these two mountain ranges
a huge plains area
It's called the frontier.
Mammoth cave
Ohio
The Appalachians are the oldest mountain range in the world. North America has both the newest mountain range (the Rockies) and the oldest. The Alps are somewhere in between. Every other mountain range you can name is younger than the Appalachians.
The Ohio River
they were farmers.
because of the Appalachians mountains
The Ohio River
the site of a settlement is the actual location of a settlement whilst the situation of a settlement is the surrounding of the settlement.