Respuesta :
1. societal norms persisted despite legal protections
2.A,C
3.proper government purpose
I believe the answer is: B.proper government purpose
For example, there is a regulation to reduce the amount of Asian-american candidate from entering university because their score typically higher compared to other students.
This can be seen as an act of discrimination.
But the decision is seen as 'proper' because it intended to give more room for students from other racial minorities to pursue higher education.