here muslim woman can marry only muslim mens,same as arabic girl can marry arabic men,unlike other countries,see girls in exposing dress and called socail networking,parties,in islam we have some restriction which benefits us to prevent harm in future.

well,if other nationality guy or girl can keep him/her same as his /her life sytle and have enought guts to care and be in limit,not looks other womans after marraige and say "darling she is only my friends",.
my dear folk,before blaming , just check once others culture and there problems.