What event got pablo neruda involved in politics and socialism?

Pablo Neruda became involved in politics and socialism primarily due to his experiences during the Spanish Civil War in the late 1930s. Witnessing the struggle against fascism and the suffering of the Spanish people deeply influenced his worldview and led him to align with socialist ideals. His poetry began to reflect themes of social justice and political commitment, solidifying his role as a prominent voice in leftist politics in Chile and beyond. This engagement was further reinforced by his friendship with leaders like Salvador Allende.