Casus Belli

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Casus Belli

 

a term used in diplomacy to designate an event or fact serving as a direct formal ground or pretext for the declaration of a state of war. For example, the casus belli for World War I was the murder in Sarajevo of the Austrian archduke Ferdinand.

References in periodicals archive ?
Denying the use of nuclear armaments in case of war, Mukhtar said that a nuclear war would prove disastrous for both the countries.
The new flexible policy waives penalties in case of war or heightened Homeland security status.