Casus belli is a Latin expression meaning “an event or act used to justify a war”.
Countries need a public justification for attacking another country, both to galvanise internal support for the war and to gain the support of potential allies.
Casus belli is a Latin expression meaning “an event or act used to justify a war”.
Countries need a public justification for attacking another country, both to galvanise internal support for the war and to gain the support of potential allies.
Casus belli
The Free Dictionary
http://www.thefreedictionary.com/casus+belli