Before Magellan arrived, Negrito tribes inhabited the isles, who were subsequently joined and largely supplanted by migrating groups of Austronesians. This population had stratified into hunter-gatherer tribes, warrior societies, petty plutocracies and maritime-oriented harbor principalities which eventually grew into kingdoms, rajahnates, principalities, confederations and sultanates. Iron Age finds in Philippines also point to the existence of trade between Tamil Nadu and the Philippine Islands during the ninth and tenth centuries B.C.[3] States included the Indianized Rajahnate of Butuan and Cebu, the dynasty of Tondo, the august kingdoms of Maysapan and Maynila, the Confederation of Madyaas, the sinified Country of Mai, as well as the Muslim Sultanates of Sulu and Maguindanao. These small maritime states flourished from as early as the 1st Millennium.[4][5] These kingdoms traded with what are now called China, India, Japan, Thailand, Vietnam, and Indonesia.[6] The remainder of the settlements were independent Barangays allied with one of the larger states. The "balangay" or "barangay" represented an independent community in the Archipelago ruled by a "Datu". There were, however, instances where a Datu of a certain barangay was aided by a council of elders in running the affairs of the barangay similar to privy councils of European monarchs. In that patriarchal society, the Datu and his family constituted the highest authority in the barangay and were therefore considered the equivalent of…