The army as evidence
The Terracotta Army is not a photograph of a real battle line, but it is a rare source for how the Qin state imagined and organised its forces. The figures wear different clothing and armour, hold different poses and stand in different places in the pits. Together with the actual bronze weapons found among them, they give historians something that texts alone cannot: a physical record of what a Qin unit looked like. A caution is needed, since the arrangement was designed as a funerary display and may idealise reality.
What the three pits seem to show
The pits are usually read as different parts of a single army.
- Pit 1 is the largest. Its infantry stand in long columns facing east. A forward line of lightly equipped figures, usually identified as crossbowmen or archers, is followed by the main body of armoured soldiers, with chariots interspersed.
- Pit 2 holds a mixed force, with kneeling and standing archers, cavalry, chariots and infantry in separate blocks. It is often read as a force of combined arms.
- Pit 3 is small and appears to be a command post, with officers and a chariot.
The overall picture is of an army with a clear structure: a screen of missile troops, a heavy core, and separate mobile elements. The details of Qin tactics are not given in the pits alone, and some interpretation is inevitable.
Crossbows and bows
The weapon most associated with Qin troops is the crossbow. Wooden stocks and bows have rotted away, but bronze trigger mechanisms survive, and so do large numbers of bronze arrowheads. The arrowheads are typically three-sided, a shape well suited to penetration, and they were made to closely consistent dimensions, which suggests tight control of production.
Crossbows were not a Qin invention, as they were already used in China before the empire. What Qin appears to have done is to produce and issue them on a very large scale, with interchangeable parts. A crossbow can be used by relatively little-trained soldiers, which suited an army drawn from conscripts. The kneeling archer, a pose seen in Pit 2, is thought to show a reloading or firing position suited to massed volleys, though the exact tactics are debated.
Spears, halberds and swords
Close-quarters weapons were mostly of bronze. These include:
- long-hafted spears and lances with leaf-shaped heads;
- dagger-axes and halberds, with blades mounted on poles;
- straight swords, some of them surprisingly long and carefully made.
The wooden shafts have decayed, but the metal heads show standard forms. Some weapons carry inscriptions naming the official or workshop responsible, and a few are associated with the chancellor Lü Buwei, who is also known from the historical sources. This is evidence of the supervisory system also visible in other Qin products. Understanding how those blades were produced draws on bronze alloying, since the quality of the alloy affects how hard and how brittle a blade is. Overall, the finds fit the wider picture of ancient weaponry in early empires, where bronze remained important even as iron became common.
Chariots, cavalry and the changing battlefield
Chariots stand in Pit 1 and Pit 2, usually with four horses, a driver and soldiers beside them. By the Qin period, chariots had declined as the main shock force and were more often used for command and support. Older texts and pits from the Bronze Age show how central war chariots once were; by the 3rd century BCE the main striking power came from massed infantry.
Cavalry appears in Pit 2 as saddled horses with riders, but without stirrups, which were not yet in use. The adoption of mounted fighting in China is often linked to contact with steppe peoples, and the state of Zhao in the north is said to have adopted nomad-style riding and dress in the late 4th century BCE. Later Qin campaigns against the Xiongnu confederation underline why cavalry mattered at the frontier.
Armour and rank
The figures show variation in armour. Many infantry wear armour made of rectangular plates laced together, while the front-line crossbowmen are shown with little or no armour, perhaps to make them lighter and faster. Officers can be identified by headgear, by the style of armour and by their position. The ancient body armour of other civilisations was of leather, bronze or later iron; here the plated armour was probably made of leather or metal, and the clay copies are the evidence for its form.
Rank is a major theme. Qin law, known from bamboo texts found in tombs, tied reward to merit in a system of ranks. Soldiers could be promoted for achievements in war, according to later sources, and this helps to explain how a state could motivate large conscript armies.
What the army cannot tell us
The pits do not show how battles were actually fought, nor how many men Qin could put in the field in a campaign. Sources give very large numbers for Qin armies, but they are of uncertain reliability. The figures also do not show logistics, such as supply roads and granaries, which were as important as weapons. The strongest conclusion is a limited one: the Qin state could standardise equipment, assign soldiers to defined roles and combine missile, infantry, chariot and mounted units under a command structure.
For a general audience, the pits are most valuable for turning a text-based picture of Qin military power into something concrete and measurable.