Complex sentence: The gazette article described Budd as a conspiring mutineer likely of foreign birth and mysterious antecedents who, when confronted by John Claggart, the master-at-arms loyally enforcing the law, stabs Claggart and kills him.
Split into simpler sentences: The gazette article described Budd as a conspiring mutineer likely of foreign birth and mysterious antecedents who is confronted by John Claggart. The master-at-arms, loyally enforcing the law, stabs Claggart and kills him.