It was an assembly of nations to work out issues facing the world. Option B is correct.
The United Nations constitutes an international organization founded in 1945 in the aftermath of World War II made up of 51 countries committed to maintaining international peace and security, developing friendly relations among nations and promoting social progress, better living standards as well as human rights for all, and fostering cooperation between nations in order to solve economic, social, cultural, or humanitarian international problems.
