Question

an international organization formed after wwii whose aims are to facilitate cooperation in international law and international security. european union central powers league of nations united nations

Explanation:

The United Nations was formed after WWII with aims to facilitate cooperation in international law and international security. The European Union focuses more on economic and political integration within Europe. The Central Powers were a coalition in WWI. The League of Nations was formed after WWI but failed to prevent WWII and was succeeded by the UN.

Answer:

United Nations