King Coal by Upton Sinclair

They had come to a remote place in the canyon, and found themselves seats on a flat rock, where they could talk in comfort.

"Put yourself in their place," said the organiser. "They're in a strange country, and one person tells them one thing, and another tells them something else. The masters and their agents say: ‘Don't trust the union agitators. They're a lot of grafters, they live easy and don't have to work. They take your money and call you out on strike, and you lose your jobs and your home; they sell you out, maybe, and go on to some other place to repeat the same trick. ' And the workers think maybe that's true; they haven't the wit to see that if the union leaders are corrupt, it must be because the bosses are buying them. So you see, they're completely bedevilled; they don't know which way to turn."