Complex sentence: Regarded as one of the fiercest generals of his time, he succeeded Artemio Ricarte as commander of the Philippine Revolutionary Army, he sought to apply his background in military science to the fledgling army.
Split into simpler sentences: Regarded as one of the fiercest generals of his time, he succeeded Artemio Ricarte as commander of the Philippine Revolutionary Army. He sought to apply his background in military science to the fledgling army.