secession
🇺🇸
/sɪˈseʃn/
🇬🇧
/sɪˈseʃn/
When a part of a country or group decides to separate and form its own independent entity.
The secession of the southern states led to the American Civil War.
南部諸州の脱走がアメリカ内戦を引き起こしました。