Answer:
A new machine to clean raw cotton
Explanation:
Eli Whitney's cotton gin was one of the most useful agricultural inventions. Cotton was really difficult to separate and the cotton gin made it super efficient. Hope this helped!
first person to drill for oil. Edwin L. Drake invented the telephone. Alexander Graham exclusive right to manufacture or sell an invention. patent.
Low taxes, few government regulations and copetition encouraged people to invest in new industries.
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