Increasing tension between Spain and Brunei plus its oppressed allies in the Philippines, mainly the Sultanates of Sulu, Maguindanao and Lanao, which was spurred on the by the continual Ottoman and Arab migrations into Brunei some of whom were even defeated veterans of the Battle of Lepanto contrasted with the Spanish and Latin-American migrations to the Philippines, eventually erupted into the violence of the Castille War against Brunei and the Spanish-Moro Wars.