I don't normally struggle with Azed, but 25A has me beat.
One such (though not born abroad!) (4)
I have CA-O, and none of the BRB words has any connection to the clue. So a proper name? Cato? But why? If it refers to the previous answer (a bit of a stretch as there is no ellipsis) we're looking for a slogan of a belligerent kind. Seems unlikely.