I believe the answer is: Jones vs. Mayer
The case Jones vs. Mayer revolved around the the situation when the sellers of the house put a higher requirement for potential buyers from members of racial minorities. The case ended up in the creation of 42 U.S.C. § 1982 which banned all form of discrimination in protperty selling.
By giving the South Asia a taste of style
Hello,
According to what I have read, this has been happening because every United States state is also a sovereign and independent entity in its own right and is granted the power to create and apply laws, and regulate them according to their needs. In addition, some laws, such as certain voting laws and criminal laws and statutes, tend to be somewhat uniform across states; nevertheless, some areas of law can be very, very different from one state to the next.