# Betrayal and Alliance in Commentaries on the Gallic War

> Theme guide for Commentaries on the Gallic War by Julius Caesar.

Shifting loyalties, broken treaties, and strategic alliances are central to the story, as Gallic tribes frequently conspire against Rome or each other, while Caesar uses diplomacy, hostages, and rewards to secure or punish allegiance.

## Where it surfaces

- [Book I](https://www.betterreads.dev/discover/commentaries_on_the_gallic_war_se/chapters/book-i): Dumnorix's secret dealings with the Helvetii and his undermining of Roman supply lines reveal internal Aeduan betrayal.
- [Book II: The War Against the Belgae](https://www.betterreads.dev/discover/commentaries_on_the_gallic_war_se/chapters/book-ii): The Remi break from the Belgic confederacy to ally with Rome; Divitiacus pleads for the Bellovaci based on past Aeduan alliances.
- [Book III: The Alpine Campaign, the Venetic War, and the Conquest of Aquitania](https://www.betterreads.dev/discover/commentaries_on_the_gallic_war_se/chapters/book-iii): The Gauls' sudden renewal of war against Galba after a truce, and the shifting alliances among Aquitanian tribes, underscore the fragility of peace and the constant threat of betrayal.
- [Book V](https://www.betterreads.dev/discover/commentaries_on_the_gallic_war_se/chapters/book-v): Indutiomarus betrays his son-in-law Cingetorix for siding with Caesar, while the Remi and Aedui remain loyal to Rome amidst widespread Gallic defection.
- [Book VI: The Gallic Campaign Intensifies](https://www.betterreads.dev/discover/commentaries_on_the_gallic_war_se/chapters/book-vi): The Treviri ally with Ambiorix and Germans; Gallic factions shift loyalties between Rome and native leaders.
- [Book VII: The Great Gallic Revolt](https://www.betterreads.dev/discover/commentaries_on_the_gallic_war_se/chapters/book-vii): Vercingetorix is accused of treason by his own men, but he defends his loyalty; alliances among Gallic tribes are tested.

## Links

- HTML: https://www.betterreads.dev/discover/commentaries_on_the_gallic_war_se/themes/betrayal_and_alliance
- Themes index: https://www.betterreads.dev/discover/commentaries_on_the_gallic_war_se/themes