balkanize
/bɔlˈkænaɪz/Definitions
1. verb
to divide (a group or organization) into smaller, often hostile, units, often along ethnic or national lines.
“The country began to balkanize as different ethnic groups started to demand greater autonomy.”
2. noun
the process of dividing a country or an organization into smaller, often hostile, units, often along ethnic or national lines.
“The balkanization of the region has led to increased tensions between neighboring countries.”