Answer:
B. He worked for school desegregation the forced to by courts.
Step-by-step explanation:
Nixon makes a great effort to desegregate schools in the United States, integration was a huge goal.
Desegregation busing was another effort to integrate children and doesn't matter the district, children had to go to school in the same bus with black and white kids.
1970 less than 10% of black kids were segregated school.