The answer to this question will be B
The invention of the lightbulb allowed factories and mills to stay open longer and work through the night. Hope it helps :)
Answer:
There was great wealth in the South, but it was primarily tied up in the slave economy. In 1860, the economic value of slaves in the United States exceeded the invested value of all of the nation's railroads, factories, and banks combined. On the eve of the Civil War, cotton prices were at an all-time high.
Natural rights would be your answer because locke said are "life, liberty, and property." locke believed that the most basic human law of nature is the preservation of mankind