That's really the fundamental question we face here in the beginning of this 21st century is whether or not we believe as a nation and others believe it is possible to defeat this ideology.
Yet, history has shown that if material force can defeat some ideologies it can no longer obliterate a civilization without destabilizing the whole planet.
One is not a great one because one defeats or harms other living beings. One is so called because one refrains from defeating or harming other living beings.