Complex sentence: The Americans arrived in the Philippines, headed by General Weyler with thousands of troops to defeat the Spaniards who ruled it more than three centuries, the Spanish government completely and peacefully surrendered the islands to the United States in the 1890s.
Split into simpler sentences: The Americans arrived in the Philippines, headed by General Weyler with thousands of troops to defeat the Spaniards who ruled it more than three centuries. The Spanish government completely and peacefully surrendered the islands to the United States in the 1890s.