Helen Keller's advocacy had a profound impact on disability rights by raising awareness about the challenges faced by people with disabilities. Despite being deaf and blind, Keller became a renowned author and lecturer, promoting education and opportunities for disabled individuals. She co-founded the ACLU and fought for women’s suffrage, labor rights, and racial equality. Keller's tireless efforts inspired changes in public perception and policy regarding disabilities, leading to improved accessibility and rights for future generations.