Rewrite the sentence to eliminate ambiguous, remote, or broad reference.

since the car drips oil on the driveway, put a piece of cardboard under it.

ANSWER:

Put a piece of cardboard under the car since it drips oil on the driveway.

EXPLANATION:

If we examine the original sentence, we'll notice that we cannot be sure where to put the cardboard under. "It" in the sentence may refer to the car, the oil, or possibly the driveway. Writing it in a way such that the thought is clear would be the best way to structure the sentence.

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.