The AFL was a formal federation of labor unions whereas the Knights of labor was much more of a secretive type.
Mao Zedong united the food production, trade and transportation systems.
"Erastus D. Ladd is known for his "Description of the Lawrence Massacre" did not think that what these voters did were legal. They murdered a lot of people and ruined a town that was supposed to be Ladd's home. In the account, there were 240 orphans and 85 widows because of the massacre. "