Why was American federation of labor afl called the bread and better?

The American Federation of Labor (AFL) was often referred to as the "bread and butter" union because it focused primarily on practical, immediate issues affecting workers, such as better wages, working conditions, and job security. Unlike more radical labor organizations, the AFL emphasized incremental reforms and collective bargaining to achieve tangible improvements in the everyday lives of its members. This approach resonated with many workers seeking stability and economic security, hence the nickname.