balkanize

/ˈbɔlkənaɪz/
verb
  1. To divide a region, country, or group into smaller, often hostile units.
    • They warned that the new law would balkanize the internet into separate national networks.
    • Internal rivalries could balkanize the political party.
    • The treaty threatened to balkanize the entire peninsula.
Antonyms
What does "balkanize" mean? | whatsthatwordmean | whatsthatwordmean