Final answer:
The U.S. Supreme Court barred racial discrimination in the sale or rental of real property in 1968 with the enactment of the Fair Housing Act of 1968. This law followed precedents such as the 1948 Shelley v. Kraemer decision and the Civil Rights Act of 1964, further solidifying anti-discrimination efforts in the U.S.
Step-by-step explanation:
The year in which the U.S. Supreme Court barred racial discrimination, both public and private, in the sale or rental of real property was 1968. This legal milestone came with the passage of the Fair Housing Act of 1968, which is also known as the Civil Rights Act of 1968. Prior to this act, practices such as redlining and restrictive covenants were used to maintain housing segregation. The Fair Housing Act was a significant step in ending these discriminatory practices and promoting equal opportunity in housing.
Although the Fair Housing Act was revolutionary for its time, it followed several important precedents. In 1948, the Supreme Court case of Shelley v. Kraemer declared that racially restrictive covenants in housing were unenforceable in court. Additionally, the Civil Rights Act of 1964 prohibited discrimination based on 'race, color, religion, or national origin' in various public domains. The Fair Housing Act expanded upon these protections to include the sale and rental of housing specifically.