Mary Harris Jones, commonly known as Mother Jones, played a key role in the advancement of workers' rights. In the late 19th and early 20th centuries, she became known for her activism in organizing labor unions and advocating for better working conditions, particularly for children and miners. Mother Jones was instrumental in founding the Industrial Workers of the World (IWW) and led numerous protests against child labor, expressing the plight of workers through powerful speeches. Her relentless efforts earned her significant respect and recognition in the labor movement, making her an enduring symbol of workers’ rights and social justice advocacy.