Complex sentence: The birth of Bacolod Evangelical Church can be traced to the decision of Filipinos to shake the Spanish control, both political and religious, and this was decisively enhanced by the imposition of political control over the island by the American occupying forces.
Split into simpler sentences: The birth of Bacolod Evangelical Church can be traced to the decision of Filipinos to shake Spanish religious and political control of the Philippines. This was decisively enhanced by the imposition of political control over the island by the American occupying forces.