The correct option is:
B. By encouraging respect for human rights
According to the UN Charter, the United Nations has, among others, the purpose of achieving “international co-operation in solving international problems of an economic, social, cultural, or humanitarian character, and in promoting and encouraging respect for human rights and for fundamental freedoms for all without distinction as to race, sex, language, or religion.” (Chapter 1: Purposes and Principles, Article 1)
