- Regional organizations — UN Charter — Gross violations — Disarmament — Collective security — International peace and security
This chapter focuses on the African Union’s (AU) military operations since the turn of the century and the legal framework pertaining to its regional security. It examines the AU’s increasing involvement in peace operations since the late 1990s in the context of its relationship with the United Nations Charter. The chapter first clarifies the meaning of the term ‘regional organizations’ based on Article 53(1) of the UN Charter before discussing whether and to what extent regional enforcement action can be taken under regional arrangements or by regional agencies without the authorization of the UN Security Council. It then evaluates the legal basis of the AU’s military operations and their relationship with the UN Security Council, citing the cases of Burundi, Sudan, Somalia, and the Comoros.
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