It was set up to promote international efforts to stop war. Option B is correct.
The League of Nations was an intergovernmental organisation founded on 10 January 1920 resulting from the Paris Peace Conference that concluded the First World War. It was the first worldwide intergovernmental organisation whose main purpose was to maintain world peace. Its primary goals, as stated in its Covenant, included preventing wars through collective security and disarmament and settling international disputes through negotiation and arbitration.
