The Chetniks ( mostly Serbs , but also Montenegrins and others ) pursued genocide against Muslims , Croats and Pro-Partisan Serbs , and the Italian occupation authorities pursued violence Violence and ethnic cleansing ( Italianization ) against Slovenes and Croats .

Finally , during and after the final stages of the war , Yugoslav authorities and Partisan troops carried out reprisals , including the deportation of the Danube Swabian population , forced Causation marches and executions of thousands of captured soldiers and civilians ( predominantly Croats associated Collaboration with the NDH , but also Slovenes and others ) fleeing Escaping their advance ( the Bleiburg repatriations ) , atrocities against the Italian population in Istria ( the Foibe massacres ) and purges against Serbs , Hungarians and Germans associated Collaboration with the fascist forces .

As a result , the JNA began Process_start to lose Earnings_and_losses Slovenes , Croats , Kosovar Albanians , Bosniaks , and ethnic Macedonians , and effectively became Becoming a Serb army .

Soldiers from the army of the Kingdom of Serbs , Croats and Slovenes ( `` later '' Yugoslavia ) , under the command Control of Slovene officer Rudolf Maister , killed Killing between 9 and 13 civilians of German ethnic origin , wounding Bodily_harm a further 60 , during a protest in a city centre square .