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Why did Justinian I invade the Vandal kingdom in North Africa?
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Justinian I
Justinian I, detail of a mosaic in the Church of San Vitale, Ravenna, Italy.
Justinian I invaded the Vandal kingdom in North Africa in 533 primarily to fulfill his perceived duty to regain Roman provinces lost to "indolence" and to reassert imperial authority in the West.1
Several key factors motivated this military campaign:
- Religious Protection: Justinian sought to protect Catholics living under the rule of Arians, as the Vandal kings had frequently persecuted them.1
- Political Succession: The invasion was triggered by the deposition of the Vandal king Hilderich in 530. Hilderich had been an ally of Constantinople and had ceased the persecution of Catholics; his removal by Gelimer provided Justinian with a formal justification to intervene.12
- Strategic Opportunity: Following the "Endless Peace" with Persia in 532, Justinian secured his eastern frontier, which freed his military resources for operations in the West.2
Despite opposition from some of his generals and ministers, Justinian dispatched a fleet under the command of Belisarius. The campaign was successful, and by March 534, the Vandal kingdom had been mastered and reorganized as part of the Byzantine Empire.12