How did the labor movement launch a sustained assault on the understanding of freedome grounded in Social Darwinism?

The labor movement challenged Social Darwinism by advocating for worker rights, fair wages, and safe working conditions through collective bargaining and strikes. They argued that individuals should not be subject to ruthless competition in the workplace, and that workers deserved protection and support from exploitative practices by business owners. This movement sought to promote economic equality and social justice, opposing the idea that only the strongest and fittest should thrive in society.