Complex sentence: With a larger number of the Spanish troops, the 6000 men strong Spanish garrison was ready, with amassing Spanish, Tagalog, and Kapampangan soldiers, and Ilocano collaborators recruited from other regions to ambush her and rout her forces.
Split into simpler sentences: With a larger number of the Spanish troops are Filipinos recruited from other regions. The 6000 men strong Spanish garrison was ready, with amassing Spanish, Tagalog, and Kapampangan soldiers, and Ilocano collaborators to ambush her and rout her forces.