Final answer:
The Americans with Disabilities Act (ADA) of 1990 is the act that emphasized the importance of providing equal employment opportunities for people with impairments.
Step-by-step explanation:
The act that emphasized the importance of providing equal employment opportunities for people with various impairments is the Americans with Disabilities Act (ADA) of 1990. This legislation was a significant step in ensuring that individuals with disabilities are not discriminated against in employment and that they are provided with the necessary accommodations to perform their jobs effectively. This includes making the work facility accessible, providing appropriate aids for employees, and allowing for reasonable adjustments to the work environment.