Answer:
1. Sucesos de las Islas Filipinas (Events in the Philippine Isles), published in 1609, is one of the most notable studies composed through that period about the Philippines´ history during the Spanish colonization.
Explanation:
2. Based on documentary research, observation, and Morga's access to government documents thanks to his official position, it recalls political, economic, and social experiences from both natives and conquerors.
3. Filipinos themselves have considered it a valuable record of their native culture.