American Federation of Labor (AFL)
open shop
LAbor unions were never popular ... not with workers (most of whom voted NOT to be in unions) nor with managers.
strikebreakers
strikebreakers
Most Labor Unions are a formal group of workers.
Labor unions were the groups that were most affected by the Red Scare. Some American businesses used the Red Scare as a method to demonize labor unions, claiming they were all communists. As a result, the unions, who had become very strong, lost over a million members. In actuality, communist membership in labor unions was very small, and mainly within the unions within the Congress of Industrial Organizations.
Labor unions were the groups that were most affected by the Red Scare. Some American businesses used the Red Scare as a method to demonize labor unions, claiming they were all communists. As a result, the unions, who had become very strong, lost over a million members. In actuality, communist membership in labor unions was very small, and mainly within the unions within the Congress of Industrial Organizations.
yes
Taft-Harley Act A+
No, they don't have to, but most choose to.
Perhaps the most socialist of the labor unions is the Industrial Workers of the World, the IWW.
the Knights of Labor became a national labor organization in the 1880's. Unlike most union's Knights recruited people who had been kept out of trade unions including women, African Americans, immigrants, and unskilled laborers.