 The penetration of the Islamic religious scheme may have been assimilated in the Southern Philippines but was not far more advanced in the Manila area before the coming of the Spaniards.If this was considered to be the case, one can tell that the social organization was in rudimentary form since structure of religion is conveyed by the political scheme.The ancient Tagalogs had their own system of writing called "babayin," which was a form of syllabification.