What Causes Commonly Make Wars Arise Between the Powerful

The cause which made war arise between the Romans and the Samnites who were in league for a long time, is a common cause which arises among all powerful Principalities. Which cause either arises by chance or is made to arise by those who desire to set a war in motion. That which arose between the Romans and the Samnites was by chance, for it was not the intention of the Samnites, in setting the war in motion against the Sidicians, and afterwards against the Campanians, to set it in motion against the Romans. But the Campanians being hard pressed and having recourse to Rome, beyond the thoughts of the Romans and the Samnites, the Campanians forced the Romans to take them to themselves as subjects of theirs, so that it appeared to them [the Romans] they could not honorably evade [the obligation] of defending them, and [hence] take up that war. For it indeed appeared reasonable to the Romans not to defend the Campanians as friends against the Samnites, who were their friends, but it seemed to them disgraceful not to defend them as subjects, even though voluntary ones, judging that if they did not undertake such defense, it would alienate all those who should plan to come under their dominion. And as the aim of Rome was Empire and Glory, and not Quiet, she could not refuse this enterprise.

This same cause gave beginning to the first war against the Carthaginians because of the defense of the Messenians in Sicily which the Romans undert............