What was one major difference between the League of Nations and the United Nations (UN)? O The League of Nations focused on diplomacy more than the UN.
O The League of Nations did not attempt to prevent global conflicts.
O The UN has less diplomatic power than the League of Nations did.
O The UN has an enforcement arm to aid in peacekeeping.

The major difference between the United nations and the League of nations is that the UN has an enforcement arm to aid in peacekeeping.

The last option here is one of the major differences between the league of nations and the UN.

The UN has the power to take stronger actions than the league of nations.

The league of nations suffered because big nations were absent. This led to unanimity. The league could not really do much. The USA refused to join the league

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The UN has an enforcement arm to aid in peacekeeping.

Explanation:

The League of Nation´s main goal was to deter any future worldwide armed conflict and to keep world peace through disarmament and arbitration in resolving international conflicts. WWII proved that the League had failed its main mission, so it was replaced by the United Nations (UN) after the war.

The UN established the Security Council, which has the power to apply armed enforcement actions when the mediation of international conflicts fails to force states to comply with peaceful negotiations.

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