Well to be honest this whole limbo purgatory thing has been an issue with Catholics ever since vatican II. Some people don't agree with it, mainly because of this passage...
All men are called to be part of this catholic unity of the people of God which in promoting universal peace presages it. And there belong to or are related to it in various ways, the Catholic faithful, all who believe in Christ, and indeed the whole of mankind, for all men are called by the grace of God to salvation." Lumen Gentium
To break that down, before one of the board feminists starts accusing catholicism of using gender specific pronouns to keep the woman down, men here is meant in the Tolkien sense, so sorry this doesn't count for Dwarves, Elves, or Hobbits.
But basically, as of the passing of Vatican II (about fifty years ago now), Catholics are called to believe that all religions are fundamentally extensions of divine will, and that only divine will can interperet truth in that nature.
What does that mean? Basically that Catholics believe when Christ died on the cross for all man's sins, he died for ALL (every) MAN'S (human's) SINS (before or after baptism, real or imagined). Unbaptized babies therefore would go to "purgatory" which is not the same as "limbo." Limbo was a concept that was just kind of pushing an issue under a rug, trying to keep the church from looking heartless while upholding the rules so everyone could follow them. Purgatory is seen as a "cleansing" state that transfers anyone from their earthly incarnation to the divine aspect of their heavenly (soul) form, as "no unclean thing may enter heaven," there is a phase by which all unclean aspects of the soul are cleansed.
So : why bother arguing about the existence of limbo? Because of the fact Catholics belive that salvation is an aspect of faith plus works.
In other words if you are a mass murderer but a priest gives you your last rites before you get a lethal injection, you're absolved in the eyes of man. According to the bible every sin is written into the book of death, and an judgement day you are judged according to your works. But since that's in revelations we just say "alright you're cool with us, we're sending you to God now." So you may still go to hell for killing babies, recanting on your deathbed just means you, like all humans, either felt remorse or fear on your deathbed. Either way good for you.
The catholic church therefore has never officially pronounced that anyone has gone to heaven or hell. We're pretty sure Jesus made it, being Jesus and all. But other than that, it's God's job to decide. We just live the best we can on earth and hope it works out for the best once we're at the gates.
This has been some insight into the ancient arcane faith to which myself and millions of other creepy folks (mostly Irish, Italians, and Hispanics) adhere. Any questions can be addressed to me, or Mr. T.
:Mr-T:
On the original topic though, I don't think the US was ever divinely guided. I think we like to imagine we were, for if God be for us, who then could be for them. But I'm not sure Jesus would bomb Iraq, or drop the A-bomb on Japan for that matter.