Of Auxiliary, Mixed, and National Arms

The second sort of unprofitable arms are auxiliaries, by whom I mean, troops brought to help and protect you by a potentate whom you summon to your aid; as when in recent times, Pope Julius II observing the pitiful behaviour of his mercenaries at the enterprise of Ferrara, betook himself to auxiliaries, and arranged with Ferdinand of Spain to be supplied with horse and foot soldiers.

Auxiliaries may be excellent and useful soldiers for themselves, but are always hurtful to him who calls them in; for if they are defeated, he is undone, if victorious, he becomes their prisoner. Ancient histories abound with instances of this, but I shall not pass from the example of Pope Julius, which is still fresh in men’s minds. It was the height of