[m21sniper]

I do have to agree with Blutowski in that i think the US will be the worlds sole superpower for a LOOOOOOOOOOOOOOOOOOOONG time yet to come (as in, at least the duration of all our lifetimes), simply because absolutely no nation on earth can come remotely close to challenging the United States' military hegemony, and absolute naval dominance.

N o t E v e n C l o s e.

When coupled with its' massive strategic nuclear arsenal, it seems assured that the US will remain immune to the specter of invasion, the primary historical cause of the downfall of empire.