Which of the following ethnic groups have suffered a long history of discrimination in Japan?

A. Uygurs

B. Falun Gong

C. Ainu

D. Xinjiang

The C) Ainu are an ethnic group which have suffered a long history of discrimination in Japan. The Ainu are essentially Japanese, but face huge discrimination and have often hid their ancestry or have blended into non-Ainu marriages to discard this ethnic factor for generations to come.