Vercingetorix sent away his cavalry to maintain flexibility and strategic advantage in case of a Roman attack.
Vercingetorix sent away his cavalry before the completion of Caesar's fortifications to prevent them from being trapped inside the fortifications in case of a Roman attack. By keeping the cavalry outside, they would be free to mount a counterattack or retreat if needed.
This strategy was crucial in maintaining tactical flexibility and ensuring that the cavalry remained a mobile force that could respond effectively to changing battlefield situations.
Additionally, by stationing the cavalry outside the fortifications, Vercingetorix could utilize them for scouting missions, harassment of Roman supply lines, and other strategic maneuvers.
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