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The Gate to the Orient
Chapter I: The Kingdom of Tondo
On the late 15th Century, the Kingdom of Tondo and its subordinates had essentially completely controlled the Island of Bahi[1], now controlling all the trading ports in Bahi including the port in Aparri (which is a trading port which trades with Japan), the port in Lingayen.
The peoples on on Bahi accepted Islam as a religion of their peoples and the Muslim people and the pagan people are in peace with each other and united as one, on the island of Bahi the same thing happens on the southern island of Mindanao which rendered two major islands resistant to the missionaries and conquistadors.
The rulers in Bahi accepted Islam knowing that it is the religion of their rival Brunei and they were not hesitant to accept it and aside from that the people of Bahi had a population increase in the late 15th century, the acceptance of Islam would cause an increase in population due to the doctrines of Islam promoting population increase.
At this point in time, the language of the people of the Central Plains of of Bahi[2] is obviously lively and shows more prestige compared to the languages around it causing the more similar languages like Ibanag, Irraya and Sambal to flourish along with the language of the Central plains however the speakers are bilingual to the language of the Central plains, however, Tagalog and Ilokano were affected by the increase of the speakers of the language of the Central Plains and are now largely moribund in the present.