ethnosectarian

adjective /ɛθnə(ʊ)sɛkˈtɛəɹɪən/

Describing something that is both sectarian and specific to ethnic identities.

Since it is clear that no amount of modernization is likely to eliminate (through total assimilation) minority solidarity groups, the possibility for ethnosectarian conflict remains a constant danger should the conflict-precipitating circumstances arise.