Casus Belli

A '' (|occasion for war}}; }}) is an act or an event that either provokes or is used to justify a war. A casus belli involves direct offenses or threats against the nation declaring the war, whereas a involves offenses or threats against its ally—usually one bound by a mutual defense pact. Either may be considered an A declaration of war usually contains a description of the casus belli that has led the party in''... more