day 3 of posting "That we may return the light, faith and glorious might"

i don't understand why rebels happen, what happened in the middle east that syria and iraq did to get attacked?

nothing. Bashar al-Assad and America and UK terrorized innocent Muslims and the Islamic State was mad about this but they chose terrorism and not peace.

did the same happen in other countries that got attacked by Islamic State ( libya, nigeria etc )

most likely