How did the key institutions and goals of the labor movement change between 1877 and 1900 and what gains and losses resulted from these shifts?
A) Industrialization led to the rise of labor unions, resulting in improved working conditions but increased tensions with employers.
B) Immigration patterns shifted, leading to more diverse labor movements but also increased conflicts over job opportunities.
C) Technological advancements spurred productivity gains, leading to higher wages but also increased job insecurity for workers.
D) Government regulations became more prevalent, providing labor protections but also limiting workers' bargaining power.