Final answer:
The Americans with Disabilities Act (ADA) has increased the power of the federal government relative to state governments by providing legal protections and mandating accommodations for disabled individuals.
Step-by-step explanation:
The Americans with Disabilities Act (ADA) has increased the power of the federal government relative to the power of state governments by providing legal protections for disabled individuals and mandating that employers and government organizations make reasonable accommodations for them. The ADA prohibits discrimination on the basis of disability in employment, public services, public accommodations, and telecommunications. It has expanded the scope of federal authority in ensuring equal rights and opportunities for disabled Americans.