(A) It was the most successful commission as all member states agreed to disarm, and then did.
(B) ** It made the most disappointing progress of all the League’s agencies and commissions.
(C) It closed down after only a month.
(D) It was an abject failure.
EXPLANATIONS BELOW
Concept note-1: -The main objective of the league was to maintain of peace in the world, to establish a peaceful global order and ensure collective security and disarmament, “to develop cooperation among nations and to guarantee them peace and security.
Concept note-2: -One of the League’s main aims was disarmament but the League failed to persuade countries to agree to disarm. A disarmament conference in 1923 failed because Britain objected and another disarmament conference in 1932 failed when Germany demanded that she should have the same amount of arms as other countries.
Concept note-3: -The creation of the League of Nations marked a new era of multilateral cooperation. The Covenant bound its Member States to try to settle their disputes peacefully. By joining the League, Member States also renounced secret diplomacy, committed to reduce their armaments, and agreed to comply with international law.
Concept note-4: -So, the League of Nations was successful in small ways in the 1920s, stopping small wars and improving lives. But it could not defend the Treaty of Versailles, it failed to get disarmament, and it could not persuade powerful countries to stop fighting.