Complex sentence: In March 1991, the SAO Krajina authorities, backed by the Serbian government, started to consolidate control over Serb-populated areas of Croatia, resulting in a bloodless skirmish in Pakrac and the first fatalities in the Plitvice Lakes incident.
Split into simpler sentences: In March 1991, the SAO Krajina authorities backed by the Serbian government started to consolidate control over Serb-populated areas of Croatia. The move resulted in a bloodless skirmish in Pakrac and the first fatalities in the Plitvice Lakes incident.