Final answer:
The Equal Pay Act of 1963 is the legislation that prohibits wage discrimination based on sex for jobs that require equal work, skills, effort, and responsibility under similar conditions.The correct answer is option 3.
Step-by-step explanation:
The legislation that makes it unlawful to discriminate in pay on the basis of sex when jobs involve equal work; require equivalent skills, effort, and responsibility; and are performed under similar working conditions is the Equal Pay Act of 1963.
This act mandates that employers pay men and women who do equal work the same wage. It was a significant step towards reducing the gender wage gap and promoting fair labor practices.
Additional legislation, such as the Civil Rights Act of 1964, further prohibits employment discrimination on various bases including sex, which also supports equal pay initiatives.The correct answer is option 3.