America has seen its day and is on the decline, although we pride ourselves on still having a few bombs left to drop on undeveloped nations such as Iraq. Military victories, especially in a technological age against nontechnologized opponents, can occur while a nation is decaying internally.
evidence: we allow barbarians from the south to come and wipe our decadent arses, with the ultimate consequence that they will be the future of this geography, long after we've frittered ourselves into oblivion.