Now comes the body-blow that would rock the Western Roman Empire on its heels. The Vandals, part of the original Rhine invasion of 406, now surged out of Spain and made a beeline for Roman North Africa.

North Africa was Rome's bread basket and money-maker - any threat to it would create a food and financial crisis from which it would be nearly impossible to recover.

Find out what happened and how the brilliant Roman commander, Flavius Aetius, reacted alongside the powerful Eastern Empire.

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