Mother Jones, a prominent figure in the labor movement, was central to establishing systems of child labor laws in the United States. Through her passionate activism and organizing efforts, she brought national attention to the harsh realities faced by child workers in factories and mines. By leading strikes and protests, she advocated for the rights and safety of workers, particularly children. Her commitment to social justice helped lay the groundwork for reforms that ultimately resulted in improved labor conditions and the enactment of child labor laws.