Which of the following statements does not explain why American realists like Mearsheimer and Walt opposed the second Gulf war?

A、ThesecondGulfWarislikelytobetoocostlyfortheUS.
B、ThesecondGulfWarisnotlikelytoimproveUSnationalsecurity.
C、ThesecondGulfWarislikelytorunagainsttheprincipleofprudence.
D、ThesecondGulfWarislikelytoaffectthebalanceofpowerintheglobe.