-Ideological differences has caused misunderstanding among members.
-The UN has faced a problem of inadequate funds.
-UN resolutions have often been ignored by member states.
-The UN has got no army of its own to enforce her decision.
-Loyalty of other international organizations causing conflicts of interest.
-The Veto Powers of some member states have undermined her decision e.g. Russia.
-Deep-rooted conflicts like the Arab-Israel conflict have hampered UN operations