Allies were employed to make war upon an enemy, but the destroyers were at once destroyed in their turn. Philip was beaten with the half of the Ætolians, who were immediately afterwards annihilated for having joined themselves to Antiochus. Antiochus was beaten with the help of the Rhodians, who, after having received signal rewards, were humiliated forever, under the pretext that they had requested that peace might be made with Perseus.

When they had many enemies on hand at the same time, they accorded a truce to the weakest, which considered itself happy in obtaining such a respite, counting it for much to be able to secure a postponement of its ruin.

When they were engaged in a great war, the senate affected to ignore all sorts of injuries, and silently awaited the arrival of the proper time for punishment; when, if it saw that only some individuals were culpable, it refused to punish them, choosing rather to hold the entire nation as criminal, and thus reserve to itself a useful vengeance.

As they inflicted inconceivable evils upon their enemies, there were not many leagues formed against them; for those who were most distant from danger were not willing to draw nearer to it. The consequence of this was, that they were rarely attacked; whilst, on the other hand, they constantly made war at such time, in such manner, and against such peoples, as suited their convenience; and, among the many nations which they assailed, there were very few that would not have submitted to every species of injury at their hands if they had been willing to leave them in peace.

It being their custom to speak always as masters, the ambassadors whom they sent to nations which had not yet felt their power were certain to be insulted; and this was an infallible pretext for a new war.

As they never made peace in good faith, and as, with the design of universal conquest, their treaties were, properly speaking, only suspensions of war, they always put conditions in them which began the ruin of the states which accepted them. They either provided that the garrisons of strong places should be withdrawn, or that the number of troops should be limited, or that the horses or the elephants of the vanquished party should be delivered over to themselves; and if the defeated people was powerful on sea, they compelled it to burn its vessels, and sometimes to remove, and occupy a place of habitation farther inland.

After having destroyed the armies of a prince, they ruined his finances by excessive taxes, or by the imposition of a tribute under pretext of requiring him to pay the expenses of the war,—a new species of tyranny, which forced the vanquished sovereign to oppress his own subjects, and thus to alienate their affection.

When they granted peace to a king, they took some of his brothers or children as hostages. This gave them the means of troubling his kingdom at their pleasure. If they held the nearest heir, they intimidated the possessor; if only a prince of a remote degree, they used him to stir up revolts against the legitimate ruler.

Whenever any people or prince withdrew their obedience from their sovereign, they immediately accorded to them the title of allies of the Roman people, and thus rendered them sacred and inviolable; so that there was no king, however great he might be, who could for a moment be sure of his subjects, or even of his family.

Although the title of Roman ally was a species of servitude, it was, nevertheless, very much sought after; for the possession of this title made it certain that the recipients of it would receive injuries from the Romans only, and there was ground for the hope that this class of injuries would be rendered less grievous than they would otherwise be.