The responsibility of all employers in the United States to avoid discrimination in the employment relationship, including all aspects of hiring, firing, and promotion based upon race, color, religion, sex, national origin or pregnancy $-$is stated and described in:

A$.$

The Americans with Disabilities Act $($ADA$)$

B$.$

The Equal Pay Act of $1963$

C$.$

Title VII of the Civil Rights Act of $1964$

D$.$

Executive Order $11246$