I'm working through "cicero on war" (l.a. #7) and the last sentence of the first paragraph is confusing me:
Quare potest intellegi nullum bellum esse iustum nisi quod aut rebus repetitis geratur aut ante denuntiatum sit.
I have:
Wherefore I have realized that no war can be just unless either (it is born by the thing being returned to) or it is declared officially beforehand.
It's the part in parentheses that I can't seem to make out...