Note 13 — CHAPTER 3 THE BEGINNING OF THE KNIGHTS OF LABOR AND OF THE AMERICAN FEDERATION OF LABOR
Reading edition
After the defeat of a strong anthracite miners' union in 1869, which was an open organization, the fight against the employers was carried on by a secret organization known as the Molly Maguires, which used the method of terrorism and assassination. It was later exposed and many were sentenced and executed.