Answer:
There are several reasons of why Manila was designed as the National Capital of the Philippines. It has been the center of trade in the archipelago even before the colonizers came. Among the native settlements in the archipelago, it is the only one that was walled by rammed-earth fortifications equipped with brass and iron cannons, making it a difficult target for sea raiding pirates and invaders.
Explanation:
Trivia: Capital of the Philippines was shifted from Quezon City to Manila.
