What things did Rizal do it prepare himself for the role as nationalistic leader?

Rizal prepared himself to be a nationalistic leader by studying various fields like medicine, literature, and languages to understand the Philippine society better. He also traveled extensively to other countries to gain insights on governance and freedom to apply to his advocacy for Philippine independence. Additionally, he wrote influential novels and essays that critiqued the Spanish colonial government and fostered a sense of national identity among Filipinos.