marriage & population census
inter racial marriage, force conversion in the process into islam by the non islamic spouse thereby enlarging the number in islamic faith.
political impact
when their numbers grow and they will grow by breeding bigger families than others, they will clamour for self-rule, separatist state.
human rights issue
the human rights accorded to them will be used to their advantage and like what happened in lebanon, by sheer numbers, they will overtake free society and turn it in an islamic state. remember lebanon.