UN General Assembly
1971

164. The efficacy of the United Nations depends to a large extent on the degree of universality it is able to achieve, Universality means to throw open the doors of the Organization to those countries that have so far been excluded, such as the People's Republic of China, the Federal Republic of Germany, the German Democratic Republic and the now divided States such as Viet-Nam and Korea; it also means to welcome the countries and territories that are still under colonial domination.