It is said that strong states in cyberspace such as the USA and England are following the bitcoin. Is this true?
yep
as for user adoption.. UK and US are the power houses.
..developing countries are well behind and struggling due to things like tx fee's pricing them out of seeing utility in it (a tx fee can be a couple hours labour in some developing countries)
as for mining.. asia and europe are are power houses.
..western countries just cant afford the cheap manufacturing of asics or the cheap labour and cheap electric to beat the east
as for services, merchants.. US, canada and europe are the power houses.
.. again eastern/southern countries cant afford the utility of buying things with it due to fee's