How much further might we be advanced in science and technology, do you suppose, if the Abrahamic religions hadn't classified half the human race as chattel and relegated them to second class status for the last 2000 years.
Religion mostly started the Heirachary system. That most believe is the only way of thinking or in reality the lack of thinking for themselves.This system a form of enslavement has gone into merging Religion with politics and military. Human race of difference parts of the world seriously challenges from different places about every 80 years. Then the vicious cycle repeats.