A violent conflict occurring within a country, characterized by armed struggle between forces aiming to overthrow the current government and those defending it.
An internal upheaval involving factions that oppose the ruling authority, marked by military engagement and efforts to restore order by government forces.
A situation of civil unrest that escalates into organized armed conflict, often driven by a desire to change or replace the existing political system.
Example:
イングランドはかつて内乱で分裂したことがあった。
A crime that is established by instigating a rebellion with the intent to unlawfully disrupt or overthrow the fundamental structures of the government.
An offense involving the use of violence or disorder aimed at challenging the authority of the state, thereby threatening national stability.
An illegal act characterized by organized efforts to undermine or dismantle a governmental system through insurrection or civil unrest.