Answer:
Engaged in an ethnic cleansing campaign
Were supported by Serbia
Opposed independence for Bosnia
Step-by-step explanation:
These are in fact the correct answers as the guy who previously answered probably didn't know that there were multiple answers that needed to be chosen.
Katie [apparently a moderator] wanted to take down my answer and warn me even though I just posted the answers lol, thanks. Makes this site a whole lot more enjoyable.