The koryu dynasty’s leaders believed that their politics should be guided by the principles of

They strongly believed in Neo-Confucianism. It became their ideology.  This later led to the persecution and restriction of Buddhism which they considered to be a threat to their beliefs.  Many schools were established during this period and produced several scholars.

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answer: ‘no one should be discriminated against because he or she is not from a minority group’

because—> affirmative action means ‘a policy or program that provides opportunities for traditionally disadvantaged groups to them overcome the effects of discrimination’