How effective was the league of nations as an international peacekeeping organization?

The answer is stated below.

Explanation:

The League of Nations was set up as an international diplomatic peacekeeping organization that was formed in the background of the first World War and aimed to prevent further intentional crises or warfare. It set a stage for intentional negotiations so that the conflicts could be resolved peacefully. It resolved some disputes but it's power faded on the verge of the Second World War. The very purpose of the foundation of League lost when the world war broke out again.