separatism
noun [ U ] politics uk/ˈsep.ər.ə.tɪ.zəm/ us/ˈsep.ɚ.ə.tɪ.zəm/
分裂主义，分离主义
the belief held by people of a particular race, religion, or other group within a country that they should be independent and have their own government or in some way live apart from other people
Basque separatism 巴斯克分裂主义