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6 votes
What was the western boundary of the United States before 1803?

A) Colorado River

B) Rocky Mountains

C) Mississippi River

D) Appalachian Mountains

2 Answers

9 votes

Answer:

C

Step-by-step explanation:

Mississippi River

User Ichigolas
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4.5k points
9 votes
B. It has to be 20 characters long so I’m typing
User Htellez
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