The Spanish Civil War: a Prelude to World War 2? The Spanish Civil War (1936-1939) served as a significant precursor to World War II, highlighting the ideological and political tensions that would later engulf Europe. The conflict arose between the Republicans, who sought to defend a democratically elected government, and the Nationalists, led by General Francisco Franco, who aimed to establish a fascist regime. This war attracted international attention, with Nazi Germany and Fascist Italy prov