How did the work of larbor unions and other reformers change labor laws?

Unions take advantage of collective bargaining and industrial action to increase their members' wages and otherwise change their working situation. Labor rights can also take in the form of worker's control and worker's self management in which workers have a democratic voice in decision and policy making.

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explanation:

president franklin roosevelt supported the tva as part of his first new deal measures approved by congress in 1933. this new agency was designed to control floods, produce electric power, and improve the lives of people living in the tennessee valley. the tva accomplished many of these goals despite problems.