The Federal League or League of Free Peoples (Spanish: Liga Federal or Liga de los Pueblos Libres) was an alliance of provinces in what is now Uruguay, Argentina and Brazil that aimed to establish a confederal organization for the state that was emerging from the May Revolution in the war of independence against the Spanish Empire. Although the country was intended to extend throughout modern-day Argentina, its leadership was based on Purificación and the Eastern Bank of the Uruguay river. Therefore, it is sometimes considered a predecessor state of modern Uruguay.