Answer:
They provided a way to transport meat to eastern markets. They allowed cowboys to travel easily between cattle herds and their homes. They made it easier for ranchers to keep track of their herds.
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Answer:
The Immigration and Naturalization Act of 1965, also known as the Hart-Celler Act, abolished an earlier quota system based on national origin and established a new immigration policy based on reuniting immigrant families and attracting skilled labor to the United States.
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B. to support the industrial growth of the northern region of the United States
