Let's hope so indeed.

My feeling is, though, that expanding empires normally start new wars when they have successfully concluded old ones...except when the empire is run by a lunatic or a fool... (as in the case of Hitler, who attacked Russia in '41 with Great Britain still fully engaged...and then declared war on the USA after Pearl Harbour, as his armies were being driven back from in front of Moscow! He was out to lunch.)

Is the USA run by people with judgement that bad? Possibly.

The war in Iraq has not been concluded successfully to this date...nor has Afghanistan, in truth, unless you consider enabling the re-creation of the World's biggest Asian drug trading business to be a worthy accomplishent.