
Oscar Pérez de la Fuente
Carlos III University of Madrid
https://orcid.org/0000-0002-3708-846X
Abstract
This essay examines a selection of stratagems recounted by Frontinus in the Strategemata to show how the management of expectations shapes strategic outcomes. Through episodes involving simulated reinforcements, the concealment of setbacks, the appearance of abundance and displays of determination, it identifies deception, morale, perceived alternatives and credible commitment as central strategic mechanisms. The analysis connects these classical military ruses with contemporary negotiation theory, particularly the role of information, verification and the best alternative to a negotiated agreement (BATNA). It argues that strategic advantage often depends less on material conditions than on influencing how the other party interprets them, while also drawing attention to the ethical risks posed by manipulation and dirty tricks.
Keywords: strategy, expectations, negotiation, deception, BATNA
ISSN: 3127-3408
https://doi.org/10.67647/minervastrategy.2026.16
Frontinus’ Stratagemata is a classic work is a classic of military strategy from antiquity. One of its distinctive features is that it is written in a casuistic style, with each topic drawing on stories or anecdotes that would have been widely known at the time.
In this essay, I shall discuss a series of tactics and stratagems, as recounted by Frontinus, all of which share a common feature: they are linked to the expectations of the parties involved. This is a key element of strategy. It is essential to know how to manage the parties’ expectations with the aim of achieving specific interests. As we shall see, some military ruses would fall within the Machiavellian model and the maxim commonly attributed to Machiavelli “the end justifies the means”. Some are dirty tricks, and every good strategist must be able to recognise them and respond appropriately.
Below is an analysis of Frontinus’ stratagems, with a commentary on their significance in terms of the general principles of strategy.
On how to strike fear into the enemy’s ranks
When the consul Gaius Sulpicius Peticus was about to engage the Gauls in battle, he ordered certain mule drivers to withdraw secretly with their mules to the nearby hills, and then, once the fighting had begun, to repeatedly show themselves to the combatants, as though they were riding horses. The Gauls, therefore, imagining that reinforcements were on their way, retreated before the Romans, even though they were already on the verge of victory (Frontinus, 2010, 199).
This is a form of deception. From a distance, the mule drivers created the illusions that reinforcements were on their way, when in fact this was not the case. Deception is a classic example of a dirty trick in negotiations. The way counter this is through impartial verification of the facts and by consulting various sources of information. At times, this may be seen as a sign of mistrust, but it is precisely impartial verification that can prevent this sort of trickery by one of the parties. Verification should be accepted as a normal part of such situations.
How to hide setbacks
The consul Titus Quinctius Capitolinus, after the Romans had lost ground in a battle, falsely claimed that the enemy had been defeated on the other flank. In this way, by bolstering the morale of his men, he secured victory (Frontinus, 2010, 217).
This is a way of raising one party’s expectations – and thereby improving its final outcome. In the context of negotiations, it reminds me of the strategic moves following the initial offer in a particular deal. If expectations are low and the BATNA – the best alternative to a negotiated agreement – is low, the other party’s counter-offer will be similar to the initial offer. Conversely, if there is a sense of having won, expectations are high and the BATNA is high, then the counter-offer will almost certainly be significantly different from the initial offer.
How to create the impression of abundance where there is a lack
When the Capitol was besieged by the Gauls, the Romans, on the brink of starvation, threw bread into the enemy’s ranks. In this way, they gave the impression that they were well supplied with food, and thus held out against the siege until Camillus arrived (Frontinus, 2010, 243).
This is a form of deception designed to alter the other party’s expectations and an ingenious one. No one would expect a starving garrison to throw bread at the enemy. The key point is that, when faced with the other party, a weakness is presented as a strength. One pretends to have food when in fact one lacks it, thereby altering the other party’s expectations.
On determination (the will to win)
When Viriathus offered to return their wives and children to the people of Segovia, they chose to witness the execution of their loved ones rather than betray the Romans (Frontinus, 2010, 266).
The inhabitants of Numantia chose to barricade themselves in their homes and starve to death rather than surrender (Frontinus, 2010, 266).
In any strategy, priorities must be established amongst different elements. In these examples proposed by Frontinus, theoverriding priority is loyalty or resistance, to which everything else is subordinated; in one case, the inhabitants renounce their loved ones; and in the other, they choose to starve to death. In the context of negotiations, this may prompt reflection on the firmness of commitments. These are strategic manoeuvres in which one of the parties voluntarily restricts their own will in anticipation of a concession in return.
Such commitments are central to negotiation and constitute a strategic factor, as they bring about a lasting change in expectations. The examples of Segovia and Numantia, as recounted by Frontinus, are extreme cases because they involve sacrificing elements of vital importance in order to secure a military victory; however, the lesson is that a credible display of resolve can change the other side’s expectations, although these extreme cases also show the high price such commitment may carry
References
Frontinus, Sextus Julius (2010), “Strategemata”, en Roca Barea, María Elvira (ed.), Tratado militar de Frontino. Humanismo y caballeria en el cuatrocientos castellano, Madrid, CSIC, pp. 145-275.
(English version: Frontino: Bennett, Charles E. (trans.) (1925), Frontinus: Stratagems. Aqueducts of Rome, Loeb Classical Library 174, Cambridge (MA): Harvard University Press)





