How does this passage demonstrate the authors use of logos?

answer:

The logos strategy is one of reason and facts, and the speaker is stating true facts to show to his or her audience that he knows what he's talking about. Precise information such as 1973, population of 210 million, 0.8 percent a year, other countries increasing at 3.3 percent every year, these are examples of logos, where the speaker has the facts, and because the audience knows that the information being presented is official, the listen to him.

onto a large boat, and mark the water level that the boat sinks to. then, take the elephant out and put a bunch of marked weights onto the boat until it reaches the same water level. add up the masses of the weights to get the weight of the elephant.

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.