" It carried the natural resources of the West-minerals, timber, crops, and cattle-to eastern markets. In turn, trains brought miners, ranchers, and farmers west to develop these resources further. "
Source : jiskha.com
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Answer:
To bring awareness to how immigrants are treated.
Explanation:
Image result for What happened in December 1791
On December 15, 1791, the new United States of America ratified the Bill of Rights, the first ten amendments to the U.S. Constitution, confirming the fundamental rights of its citizens. The First Amendment guarantees freedom
Most of them came because of civil unrest, severe unemployment or almost inconceivable hardships at home.
