Russia has plenty of potenial but doesn't use it, because they can't or won't for on ereason or another.

America will kill itself through federalism and Egalitarianism.

And you're right, China will rise up, or at least try to, however they are not a beacon of hope and goodness because they are strictly CapCom exploitationaries. They edit their history and are bent on enslaving anyone they can to fuel their GDP and output. They are even closer to a Corporatocratic government than the West is.