Yugoslavia had a great resistance movement. Holding a vast number of (mostly) German divisions - at the start of 1941 effectively postponing the start of the invasion of Russia, enough for the winter to creep in and stop the Germans - later helping allied war efforts.
First liberated territories in occupied Europe were in Serbia, with a functioning resistance's own bullets (and weapons) factory working for a few months.
By April 1945, there were some 800,000 soldiers in the Partisan army. Despite their success, the Partisans suffered heavy casualties throughout the war.
First liberated territories in occupied Europe were in Serbia, with a functioning resistance's own bullets (and weapons) factory working for a few months.
By April 1945, there were some 800,000 soldiers in the Partisan army. Despite their success, the Partisans suffered heavy casualties throughout the war.
Most things done in a hurry need to be done again - patiently.