I think this question needs a personal opinion for the answer, but here's what i would say-
I believe that a two-party system, although it categorises the two sets of basic values of both Americans, excludes other beliefs and values that are silenced in a two-party system.
-Hope this is what you're looking for, maybe add more of your opinion to it?
Answer:
As the United States' industrial economy grew in the late 1800s, conflict between workers and factory owners became increasingly frequent and sometimes led to violence. The Homestead Strike occurred at the Carnegie Steel Company's Homestead Steel Works in 1892.
They answer would "The right of people to express themselves." in other words the freedom of speech.