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Mostly the high Rocky mountains, and the Sierra Nevadas. Although rivers were difficult to cross, people found ways to cross them at low water levels or at narrow passages.

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13y ago
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The Rocky Mountains

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Applachain Mountains

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Appalachian mountains

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Appalachain Mountains

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mountains and deserts

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cool things

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Q: What was a geographic barrier to westward expansion for the colonists?
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Related questions

What geographic barrier kept colonists along the Atlantic coast?

The Apalachian Mountains


What mountain range served as a natural barrier to westward expansion?

Appalachian Mountains , I think. I may be wrong


Which landform provided a natural barrier againts westward expansion?

Download Processer Moniter And see whats slowing your pc down


What physical features both protected Egypt from invasion and prevented it from westward?

The Sahara Desert on both sides of Egypt served as a natural barrier to invaders from outside and expansion from inside outward.


What physical features both prevented Egypt from invasion and prevented it from expanding westward?

The Sahara Desert on both sides of Egypt served as a natural barrier to invaders from outside and expansion from inside outward.


What physical features both protect Egypt from invasion and prevent it from expanding westward?

The Sahara Desert on both sides of Egypt served as a natural barrier to invaders from outside and expansion from inside outward.


What physical features both protected Egypt from invasion and prevent it from expanding westward?

The Sahara Desert on both sides of Egypt served as a natural barrier to invaders from outside and expansion from inside outward.


What physical features both protected Egypt from invasions and prevented it from expanding westward?

The Sahara Desert on both sides of Egypt served as a natural barrier to invaders from outside and expansion from inside outward.


What natural feature marke the western boundary of the southern colonies?

The Appalachian Mountains.A wall of Mountains The 1,500-mile- long Appalachian Mountain range formed a natural barrier to westward expansion.


What natural features marked the western boundary of the southern colonies?

The Appalachian Mountains.A wall of Mountains The 1,500-mile- long Appalachian Mountain range formed a natural barrier to westward expansion.


What physical features both protect Egypt from invasion and prevented it from expanding westward?

The Sahara Desert on both sides of Egypt served as a natural barrier to invaders from outside and expansion from inside outward.


What is a transportation barrier?

a transportation barrier is a geographic feature that prevents or slows transportation.