Persuasion appeals to
emotions and ethics
logic and reason
interests and opinions
facts and evidence

emotions and ethics

Explanation:

persuasion is about trying to sway someone towards a certain opinion or belief, the best way to do that, is with emotions and ethics. you could use b,c, and d as well, but the most valuable option is a

the answer should be d) he was one of those young thousands who greeted the war with a certain amount of relief, welcoming the liberation from webs of tangled emotion" since it is the best option because it shows his desire to free himself. 

hope this answer you! have a great day.

samuel gompers was an extremely important person in the american labor movement, being him an employee all his life he devoted himself to fight for the rights of his pairs, he believed they all had the right to have better thing and that they all were working for them but the factory workers were greedy, ambitions and socialist people for him who he didn't have a good concept of.

he gave so many speeches and led so many strikes and protest to fight for equality which he considered employers didn't want to accept, so he had an absolutely negative opinion of them.