The author of the passage did not take into account the effect on cotton gin had on

The cotton gin was one of the most amazing and tragic inventions of early America."

From my experience, I believe this is the answer because it is the starting sentence and there were no facts provided beforehand to support the claim that it was one of the most amazing and tragic inventions of early America. This answer also uses some of the basic rules of opinion statements. Such as using the term "most".

Hopefully this helped!

Happy studying!

Explanation:

the author is showing that it is the insatisfaction of basic needs that brings about the protests such as the strikes.if workers do not earn enough to buy food and feed their families and themselves in order to continue working, what is the use of working? besides, another message from the author is that of the owners of factories should be worried about ensuring their furure by having a second and third generation of workers in their industries.if they do not hear the workers demands, they will not have any more workers to make their pockets full.