Who was Luis Munoz Rivera and what did he advocate?

Luis Muñoz Rivera was a prominent Puerto Rican journalist, politician, and advocate for Puerto Rican autonomy in the late 19th and early 20th centuries. He was a key figure in the Puerto Rican independence movement and promoted the idea of a greater degree of self-governance for Puerto Rico, arguing for the island's rights within the context of its colonial relationship with the United States. Through his writings and political activities, he sought to unify Puerto Ricans and raise awareness about their struggle for political and social rights.