Complex sentence: Before Priests, Capitanes, Tenientes and the Cabeza de Barangay were the local leaders in Spanish regime then in the American commonwealth era of the philippines the leaders were the President and after the war the changed the title to Mayor.
Split into simpler sentences: Before Priests, Capitanes, Tenientes and the Cabeza de Barangay were the local leaders in Spanish regime. Later, in the American commonwealth era of the philippines the leaders were the President and after the war the title changed to Mayor.