If we hope to progress as a society, then we must be willing to examine our past mistakes.

which of the following details best supports the topic sentence?

a. historians know the value of studying good decisions as well as mistakes.
b. acknowledging past mistakes will us to avoid repeating them in the future.

c. once mistakes are made, it is best to forget them and move forward so that we do not dwell on the past.

d. there will always be people who criticize political leaders' mistakes, even if their intentions are good.

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.

c is a symbol. when bernice gets her hair cut, it is the authors way of showing the affects and demands of pier pressure and the over-all attitudes of people at the time.