The answer is C
Calhoun claimed that the slave system was better than the “wage slavery” in the north. There is more on John C. Calhoun at www.historynet.com
The correct answer is letter A.
Explanation: Discrimination occurs when someone adopts a prejudiced attitude (based on preconceived ideas) toward someone, whether it be racial, gender, sexual orientation, nationality, religion, economic status or any other social aspect.
Nez perce was the one of the people who brought them suffering. killing some of too.