Answer:
It was based on the belief that segregation was permissible as long as the facilities were equal.
Explanation:
This was over turned by Brown V Board of Education
The best example of a primary source among these options that you've mentioned is an interview with her dad who is a Vietnam veteran. She can get all the details she needs from a person who was actually there.
A.They live in a sinful place and desire to move to a better city