Answer: D. The use of Court challenges to obtain legal reform.
Step-by-step explanation:
This win for the Mexican-American society in the United States came as a result of a time where people challenged racial inequality with the courts as best they could especially with the Warren Supreme Court.
The focus of this case was that Mexican-Americans did not get equal treatment which they were guaranteed under the 14th Amendment. This prompted the Supreme Court to declare that the 14th Amendment was for people of all races not just black and whit.