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In the years from 1820 to 1860, the United States grew to stretch “from sea to shining sea.” What were some key developments that made this growth possible? What problems resulted from this rapid and massive expansion?

User Dave Hanna
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2 Answers

8 votes

Answer: I typed the same answer as the other person and noticed it was the same.

so, In 1820 they were reaching GB for access of help.

Step-by-step explanation:

User Ashish Patil
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1 vote

Answer:

I’m the 1820 they were reachin GB for access and needed help

Step-by-step explanation:

User Viktor Ilienko
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