Title VII prohibits employment discrimination based on race, color, religion, sex and national origin. Title VII of the Civil Rights Act of 1964 is the main source of federal law dealing with the issue of religious discrimination.A) Discriminatory practices prohibited; employees or applicants for employment subject to coverage. The PDA amended Title VII of the Civil Rights Act of 1964. It was designed to prohibit sex discrimination on the basis of pregnancy. The PDA amended Title VII of the Civil Rights Act of 1964. It was designed to prohibit sex discrimination on the basis of pregnancy. § 1981, to allege instead a violation of Title VII of the Civil Rights Act of 1964 ("Title VII"), 42 U.S.C. § 2000e-2.