I believe the answer is Barbed Wire.
Befor the inventions of barbed wire, the Cattles are let to roam freely across the plains and the owners are required to pay a lot of cowboys to supervise them so they didn't go missing. Witht he invention of barbed wire, they can keep the cattle in a secure place without supervision.
A. specialize. Hopefully this helps!
Freedom Because was the first one i to you and your dad and he said that he is going to a
Answer:
New technologies were invented.
Many people moved to the cities.
There were fewer farmers.
Explanation:
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