What did labor unions help accomplish?
A. Union-led activism contributed to the passing of laws and policies that set longer working hours and limited worker protections
B. Union-led activism stopped the passing of laws and policies that set reasonable working hours and protected workers.
C. Union-led activism contributed to the passing of laws and policies that set reasonable working hours and protected workers.
D. Union-led activism contributed to the passing of laws and policies that set reasonable working hours and increased the size of the working class.