Which of the following events led to ethnic conflict in the balkans in 1989?
a. greece and turkey battled for domination of cyprus.
b. yugoslavian republics declared independence after serbia attempted to dominate minority groups.
c. ethnic groups in armenia and azerbaijan fought over disputed territory following the breakup of the soviet union.
d. azerbaijan invaded uzbekistan to end the oppression of azerbaijanis who settled there after the breakup of eastern europe.