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Rome 63 BC to AD 14: WACE Year 12 Ancient History

Syllabus dot point

“The political, social and military forces that destroyed the Republic and the establishment of Augustan power and authority”

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Quick answer

The late Republic collapsed because its city-state institutions could not control the ambition, armies and wealth generated by empire. From the conspiracy of Catiline in 63 BC through the careers of Pompey, Crassus and Julius Caesar, personal power eclipsed the Senate. After Caesar's murder in 44 BC and the wars that followed, Octavian defeated Antony at Actium in 31 BC and, from the settlement of 27 BC, ruled as Augustus, the first emperor, until his death in AD 14.

What this dot point is asking

SCSA wants you to study Rome across the period from roughly 63 BC to AD 14 as a society in crisis and transformation, with a particular focus on the nature and exercise of power and authority. You need to explain why the Republic broke down, how ambitious individuals exploited its institutions, and how Octavian rebuilt the state as Augustus. The Rome option is examined through analysis of written and archaeological sources and through extended-response essays in the external paper, so you must be able to name and evaluate evidence such as Cicero, Appian, Suetonius and the Res Gestae.

By 63 BC the Roman Republic governed a Mediterranean empire with institutions designed for a single city. The consulship of Cicero in 63 BC, and his suppression of the Catilinarian conspiracy, showed both the rhetorical strength of the senatorial order and the desperation of indebted aristocrats outside it. Cicero's four Catilinarian orations, delivered in the Senate and Forum, are a central written source for the period and reveal how the language of the "common good" (res publica) masked factional struggle.

The deeper causes of breakdown were structural. The reforms of Gaius Marius from 107 BC had opened the legions to the landless, so soldiers looked to their commanders rather than the state for land and pay. Sulla's march on Rome in 88 BC and his dictatorship from 82 BC set the precedent that armies could decide politics. The Gracchan crises of 133 and 121 BC had already shown that reform of land and citizenship could end in political murder. By the 60s BC the Republic was dominated by dynasts whose wealth, clientage and military glory dwarfed the annual magistracies meant to restrain them.

The so-called First Triumvirate of 60 BC, an informal alliance of Pompey, Crassus and Caesar, bypassed the Senate to share power and patronage. Caesar's conquest of Gaul from 58 to 50 BC, recorded in his own Commentarii, gave him a loyal veteran army and immense prestige. When the Senate, backed by Pompey, demanded he disband it, Caesar crossed the Rubicon in January 49 BC, beginning civil war. His victory at Pharsalus in 48 BC and his subsequent dictatorship, culminating in the title dictator perpetuo in early 44 BC, made him a king in all but name.

The Ides of March

Julius Caesar was assassinated on 15 March 44 BC by a group of senators led by Marcus Brutus and Gaius Cassius, who claimed to be defending the Republic (libertas). Their failure to restore it, and the wars that followed, shows that the Republic's collapse was structural, not the work of one man.

Caesar's murder unleashed a final round of civil war. His heir, the young Octavian, allied with Mark Antony and Lepidus in the Second Triumvirate of 43 BC, a body given legal power to "set the state in order". The proscriptions that followed, in which Cicero was killed in December 43 BC, eliminated opponents and funded the legions. The triumvirs defeated the assassins at Philippi in 42 BC, then turned on each other. Octavian's propaganda cast Antony as the slave of the Egyptian queen Cleopatra VII, and his victory at the naval battle of Actium in 31 BC left him master of the Roman world.

Octavian's genius lay in disguising monarchy as restoration. In the settlement of 27 BC he claimed to hand the Republic back to the Senate and people, receiving in return the name Augustus, a vast provincial command and the prestige to dominate elections. The further settlement of 23 BC gave him tribunician power (tribunicia potestas) and a superior proconsular command (imperium proconsulare maius) without holding the consulship continuously. He governed through auctoritas, personal authority, rather than naked power (potestas), a distinction he himself draws in the Res Gestae, the first-person account of his achievements inscribed across the empire.

The Augustan settlement transformed Roman society. The princeps controlled the army through pay and the new treasury (aerarium militare) of AD 6, secured the grain supply, and rebuilt the city, boasting that he found Rome brick and left it marble. Monuments such as the Ara Pacis Augustae, dedicated in 9 BC, and the Forum of Augustus projected an ideology of peace, piety and dynastic continuity. Moral legislation, including the marriage and adultery laws of 18 BC, sought to restore traditional values. When Augustus died at Nola in AD 14, power passed smoothly to his stepson Tiberius, proving the new system had outlived its founder.

Historiographically, Ronald Syme's The Roman Revolution (1939) influentially argued that Augustus led a new ruling oligarchy that seized power behind republican forms, while later scholars such as Karl Galinsky stress consensus and cultural renewal. Students should weigh the bias of the surviving sources: Augustus' own Res Gestae is self-justifying, Suetonius and Tacitus wrote under later emperors with their own agendas, and Appian's Civil Wars, composed in the second century AD, looked back from a settled imperial age.

Answering "Why did the Republic fall and give way to Augustus?"

Build the answer from structural causes to the new settlement.

Step 1: Frame the mismatch

State that city-state institutions could not govern an empire, so the Senate lost control of ambition, armies and wealth.

Step 2: The structural causes

Cite the client army after Marius, Sulla's precedent in 88 BC, economic dispossession and over-mighty dynasts.

Step 3: The triggers

Use the First Triumvirate of 60 BC, the Rubicon in 49 BC, the Ides of March 44 BC and the Second Triumvirate's proscriptions.

Step 4: Octavian's victory

Show Actium in 31 BC leaving him master of the Roman world.

Step 5: The disguised monarchy

Conclude with the settlements of 27 and 23 BC, rule by auctoritas in the Res Gestae, and a judgement that the collapse was structural; note Syme versus Galinsky.

Treating Augustus as a straightforward king

A common error is to say Augustus simply made himself emperor in 27 BC. He never took the title rex (king) or even, in his own account, dominus (master); he claimed to have restored the Republic and ruled by auctoritas through traditional offices. Examiners reward students who analyse this careful disguise of power rather than describing a simple monarchy.

Exam-style questions

Questions in the style of SCSA exam questions on this dot point, each with a worked answer. They are written by ExamExplained unless tagged "Past paper"; the year shows the paper a question is modelled on.

WACE 2021-style20 marks
Evaluate the causes of the fall of the Roman Republic between 63 BC and the establishment of the Augustan Principate.
Show worked answer →

A 20 mark essay needs a thesis on structural causes, then layered evidence.

Thesis. Argue that city-state institutions could not contain the ambition, armies and wealth generated by empire, so the Republic fell to dynasts.

Structural causes. Cite the client army after Marius, Sulla's march on Rome in 88 BC, economic dispossession, and dynasts whose clientage dwarfed the magistracies.

Triggers. Use the First Triumvirate of 60 BC, Caesar crossing the Rubicon in 49 BC, the Ides of March 44 BC and the Second Triumvirate.

Resolution. Show Octavian's victory at Actium in 31 BC and the settlement of 27 BC.

Judgement. Conclude the collapse was structural, not the work of one man, while weighing individual ambition. Markers reward the structural argument and historiography (Syme).

WACE 2023-style8 marks
Assess the usefulness of the Res Gestae as evidence for the establishment of Augustan power.
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An 8 mark source question needs origin, purpose and a usefulness judgement.

Origin and purpose. Augustus's own first-person account of his achievements, inscribed across the empire to shape his legacy.

Usefulness. Very useful for his self-presentation, the language of restored Republic and rule by auctoritas, and the offices he held.

Limits. It is self-justifying propaganda that omits the violence of his rise and the reality of monarchy.

Judgement. Conclude it is indispensable for Augustan ideology provided its purpose is weighed and corroborated against Tacitus, Suetonius and Appian.

Practise this

Sources & how we know this

ExamExplained