Final answer:
The Americans with Disabilities Act (ADA) of 1990 applies to all employers, excluding the federal government, with at least 15 employees, requiring them to make reasonable accommodations for people with disabilities in the workplace.
Step-by-step explanation:
The Americans with Disabilities Act (ADA) of 1990 is a significant piece of legislation that prohibits discrimination against individuals with disabilities in various spheres, including employment. According to the ADA, all employers, excluding the federal government, with at least 15 employees are required to make reasonable accommodations for people with disabilities. This means that employers must provide necessary changes or adjustments to the work environment that enable a person with a disability to have an equal opportunity in the hiring process, perform a job, and enjoy the benefits and privileges of employment that are available to other employees.