I believe the answer is C, it wasn’t clear that Ethel Rosenberg was a Soviet spy. Hope this helps!
Answer:
The Industrial Revolution was the transition to new manufacturing processes in Great Britain, continental Europe, and the United States, in the period from about 1760 to sometime between 1820 and 1840.
It would likely be "skilled workers" who would have been most likely to criticize the Knights of Labor, since many skilled laborers and factory owners saw this Union as allowing for unfair bargaining power on behalf of the workers.
Well the reasons that people hope to discover new trade routes are that they allow for: more people to trade with, which means new food, clothing, metals, and other products.