(A) The purpose of the United Nations was to debate world issues.
(B) The United States wanted to stop the growing threat of communism.
(C) The United States wanted to become directly involved in military conflicts.
(D) ** The United States wanted to find the most peaceful solutions to international issues.
EXPLANATIONS BELOW
Concept note-1: -The United Nations was established after World War II in an attempt to maintain international peace and security and to achieve cooperation among nations on economic, social, and humanitarian problems. Its forerunner was the League of Nations, an organization conceived under similar circumstances following World War I.
Concept note-2: -The main objectives of the United Nations are the maintenance of international peace and security, the promotion of the well-being of the peoples of the world, and international cooperation to these ends.
Concept note-3: -After the second world war, all the people of the world felt, if there would be another such war who will survive. So each and every country of the world felt the requirement of an institution that could maintain peace in the world. So encouraged by the desire of establishing peace, the UN was established in 1945.
Concept note-4: -The U.N. was officially established in 1945 following the horrific events of World War II, when international leaders proposed creating a new global organization to maintain peace and avoid the abuses of war.