Your answer would be A.) Hope this helps!
From what I think is because laws weren't placed to protect people/workers, since owners pays close attention to money instead of the health of their workers.
Answer:
Democratic Governor Bill Clinton of Arkansas defeated incumbent Republican President George H. W. Bush, independent businessman Ross Perot of Texas, and a number of minor candidates. ... The Bush campaign criticized Clinton's character and emphasized Bush's foreign policy successes, while Clinton focused on the economy.
Explanation:
I think the answer is that The 1850s was a pivotal decade in the 19th century. In the United States, tensions over slavery became prominent and events began to put the nation on the road to civil war. In Europe, new technology was celebrated and the great powers fought the Crimean War.