What ia the primary mission of the united nations?

The United Nations' mission statement talks about its primary mission of the maintenance of international peace and security.

(202 bc - 220 ad) dynasty started by lui bang; a great and long-lasting rule, it discarded the harsh policies of the qin dynasty and adopted confucian principles; han rulers chose officials who passed the civil service exams rather than birth; it was a time of prosperity

gender discrimination race discrimination hard