One hundred years after the Hague Peace Conference of 1899 seems an appropriate time to review the subsequent developments in codification and practice that have molded the present laws applicable to the conduct of armed conflict and, more importantly, to identify those aspects of the law that are most in need of further development in the early years of the next century. Any attempt to do so in a comprehensive and detailed manner would obviously far exceed the scope of an article; consequendy, what follows is a more selective approach, consistent with this limited scope, that focuses on the most troubled areas of the law.