challenging
Oil money; either when fossil fuels stop, or the fuels them selves run out.
a much bigger problem than the koran
The Quran isn't a problem; hadiths are open to interpretation, different ones are more authoritative than others and Shi'a generally have their ow. Not all Muslims accept hadithi at all.
igration tends to strengthen religious belief
It hasn't so much in the UK. If anything, the opposite with more recent arrivals aside from the villagey ones in the 70s. (cue a doilum posting a newspaper article about soem extremist with a hook for a hand or the one who used to put stickers up everywhere, or some demented right-wing bomber).
It'll happen anyway; migration and movement have been around as long as international trade and are here for good.
Anyway, don't we have a thread in off-topic about Islam, for the bilious to spit their bile in?
Back to the topic of the Belarus/Poland border escalation (and according to the news, it's escalating right now) there's something cheerful to look at:
nuclearsecrecy.com/nukemap/