Treaties of alliance very often define precisely the event which shall be the casus foederis, and then the latter is less exposed to controversy.
But, on the other hand, there have been many alliances concluded without such specialisation, and, consequently, disputes have arisen later between the parties as to the casus foederis.
Casus foederis is the event upon the occurrence of which it becomes the duty of one of the allies to render the promised assistance to the other.
Thus in case of a defensive alliance the casus foederis occurs when war is declared or commenced against one of the allies.
Austria then asked Italy to consider this move to be a casus foederis under the Triple Alliance--which is purely a treaty of defence--involving Italy's military assistance on the side of Austria and Germany.
As far as my judgment goes, upon the knowledge of such facts as are public, I should think it was neither reasonable nor a casus foederis.
So the casus foederis, under the twenty-seventh article of the treaty with Great Britain, is a question of law, but of political law.
The casus foederis of the guarantee was a question of law, but no man could have hazarded the opinion that such a question must be carried into court, and can only be there decided.
His refrain was "casus foederis," and when once I dared to doubt the justice of this phrase I was seriously warned against Austrophobism.
The invasion of the German provinces of Sweden is expressly included as a casus foederis.
I can assure your lordship that a Turkish war's being a casus foederis, inserted either in the body of the treaty or in a secret article, will be a sine qua non in every negotiation we may have to open with this Court.
I intend to join forces with Germany to prevent any such action by Austria, but it will be necessary to say clearly that we do not consider such eventual action as defensive, and therefore do not believe that the casus foederis exists.
I replied that, 'if Austria intervenes against Serbia, it is evident that the casus foederis does not arise.
Notwithstanding this, she did not deny her treaty obligations to Servia, and is resolved to fulfill all the terms of this treaty should the casus foederis arise.
The above list will hopefully provide you with a few useful examples demonstrating the appropriate usage of "casus foederis" in a variety of sentences. We hope that you will now be able to make sentences using this group of words.
