Answer:
Appalachian Mountain Range
Explanation:
The Appalachian Mountain Range runs through most of the Eastern United States, and had previously served as the border for the 13 colonies back in the colonial age.
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America is an example of a multicultural country or a "melting pot"; some things you'll see in the states are different cultural food for example Taco Bell has Mexican food, Panda Express has Chinese food, and a hotpot place would serve Korean food. You'd also most likely find multilingual people
The answer is: convection of the core
