Answer:
Through police action; On June 27th, 1950: United Nations Security Council Resolution (UNSCR) 83 declared North Korean actions constituted a breach of peace, recommending UN members provide assistance to South Korea to repel the attack and restore peace on the Korean Peninsula
Explanation:
Because Russia was not present to use their veto. They were boycotting the UN. The war began on 25 June 1950 when North Korea invaded South Korea following clashes along the border and rebellions in South Korea. North Korea was supported by China and the Soviet Union while South Korea was supported by the United Nations, principally the United States.
Two days later, the UNSC adopted Resolution 83, recommending that members of the United Nations provide assistance to the Republic of Korea "to repel the armed attack and to restore international peace and security to the area". The first non-Korean and non-U.S. unit to see combat was the No.
