Spruce asked:


Buddhism started to become a world religion when Buddha welcomed the Untouchable Svasti into the Sangha ( his group of followers). Jesus began a world religion it seems when he told the parable of the good Samaritan ( people disliked by the Jews) and later through the missionary work of Paul. Just when did Islam open the door to non-Arabs? Was there a particular event to mark this change, as it began as a religion for Arabs?

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