 The country remained a battlefield for the rest of the war, as the Allies were slowly moving up from the south.In the north, the Germans set up the Italian Social Republic (RSI), a Nazi puppet state with Mussolini installed as leader after he was rescued by German paratroopers.Some Italian troops in the south were organized into the Italian Co-belligerent Army, which fought alongside the Allies for the rest of the war, while other Italian troops, loyal to Mussolini and his RSI, continued to fight alongside the Germans in the National Republican Army.