Based on the following claim, is it a claim of cause, value or policy?

“studies show biological differences in how boys and girls learn about math, but social factors play a big role too.”

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.

the switch in narration increases the proximity of the narrator to the main character and the reader can perceive information only through the filter of a single character.