Which of the following pieces of legislation made discrimination on the grounds of race, color, religion, or national origin illegal?

The Civil Rights Act of 1964 made discrimination based on race, color, religion, or national origin illegal in areas such as employment and public accommodations. Jim Crow laws enforced racial segregation, the Open Housing Act focused on housing discrimination, and the Age Discrimination in Employment Act addressed age.

AI-written and checked against the verified answer.