Why Was There So Much More Death and Violence in Bosnia-Herzegovina

Why was there so much more death and violence in Bosnia-Herzegovina and Kosovo than in other Yugoslav regions that declared independence?

A) Independence movements in these regions were well funded and heavily armed.
B) Soviet backing of Bosnian and Kosovan forces escalated the conflicts.
C) Anti-Muslim sentiments pushed Serbian soldiers to behave more desperately and violently.
D) Women and children were used by Bosnian and Kosovan forces as human shields.
E) These were the first regions to declare independence, and thus they were responded to most harshly.