What did labor unions(an organization formed by workers in order to advocate and fight for their rights) help accomplish?

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1 point
Union-led activism stopped the passing of laws and policies that set reasonable working hours and protected workers.
Union-led activism contributed to the passing of laws and policies that set reasonable working hours and protected workers.
Union-led activism contributed to the passing of laws and policies that set reasonable working hours and increased the size of the working class.
Union-led activism contributed to the passing of laws and policies that set longer working hours and limited worker protections

Union-led activism contributed to the passing of laws and policies that set reasonable working hours and protected workers.