Answer:
The united states is the answer
The US warned that it would break off diplomatic relations unless Germany changed its tactics.
The correct answer is Fair Housing Act. This act was called this way because it fought to end the right that land owners had to forbid people from living in their buildings based on their race. This also applied for religions and nationalities so it basically forbid landowners from discriminating against people who were not the standard Caucasian American person.
