Take the following as truth: Isolationist sentiments don't prevent DeLay and Co. from saber-rattling; and given the belligerent stands they often take toward countries like China or Cuba, petulant unilateralists might be a better term for them.
Then the following statement: "Isolation sentiment has gone a long way towards preventing DeLay and the others from engaging in saber-rattling." is true, false, or inconclusive?