The Justicialist Party (Partido Justicialista) is a major political party in Argentina, founded in the 1940s by Juan Domingo Perón. It is rooted in the principles of Peronism, which emphasizes social justice, labor rights, and economic nationalism. The party has played a significant role in Argentine politics, often advocating for the working class and promoting welfare programs. The Justicialist Party is part of the broader Peronist movement, which has seen various factions and leaders over the years. It has been influential in shaping the country's policies and governance, often aligning with labor unions and social movements to address issues such as poverty and inequality.