The least amount of racial and ethnic diversity is found in

The correct answer is the upper-class of the society.

The Upper class of the society in present day social classification is the social class made out of the wealthiest individuals from the society, who additionally possesses the best political power. The high society or Upper-class is recognized by enormous riches which is passed on from age to generation. 

The correct answer is: their civil liberties have been protected, but their civil rights are less clear apex. hope this .