Which of the following was a cause of the great railroad strike of 1877

Railroad companies rejected workers’ requests for higher wages.

Explanation:

Railroad workers during the second half of the 19th century were paid very poorly, and in 1873 a financial panic contributed to worsening their economic life.

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-lvr

i believe that the answer to the question provided above is that  establishing smaller ethnic communities within larger communities  gives more chance for people to know each other more but this might lead to the  conflict between groups.