Answer:
Eli Whitney was an American inventor best known for inventing the cotton gin. This was one of the key inventions of the Industrial Revolution and shaped the economy of the Antebellum South.
NATO and the Warsaw Pact were examples of military alliances made for “collective security”. The correct option among all the options that are given in the question is the fourth option or option "D". The other choices are incorrect and can be easily negated. I hope that this is the answer that has helped you.
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This is a fun one. The Roman Republic developed many inventions that helped better society. The roads for trade were huge that helped them get all the needs. Believe it or not, there was public health programs for better living. The legal system helped them from right and wrong.