I need help guys please help me if you can

What is a predic. how did the great railroad strike of 1877 demonstrate the power of workers? ate noun?

Which of these sentences exhibits proper usage? a. many doctors affiliated with university hospital expressed concern about the policy (moore 5). b. many doctors affiliated with university hospital expressed concern about the policy (moore 5). c. many doctors affiliated with university hospital expressed concern about the policy (moore 5). d. many doctors affiliated with university hospital expressed concern about the policy (moore 5).

Who is ¨ the guilty party¨ at the end of the text, and how do his actions contribute to the storys theme?