WI: Ceasar loses at the Vosges?

The Battle of the Vosges was one of the first battles that Ceasar fought in his Gallic campaign, with the background that Ariovistus commanded the Germans who had settled on the west bank of the Rhine, accepting a call for help from the Sequani and Averni tribes against the Aedui. Ariovistus happily obliged, so that he could gain more influence among the Gallic tribes, and so that he could settle his people in these lands. Unfortunately for him, a certain Gaius Julius Ceasar, fresh off his victory against the Helvettii, chose to use complaints by the Aedui tribe to intervene against him, despite being recognized as a "king and friend", and after failed negotiations and an increased settlement push against the Celtic tribes by the Suebi. The battle would eventually be won when Pubilius Licinius Crassus, the son of Marcus Licinius Crassus, in a decisive action, ordered the third line of infantry to support the Roman left, and gambling on it, the Suebi line broke and fled. What if Ariovistus had won the battle, either pressing the attack earlier, or managing to push back the Romans and force them to retreat? Is Ceasar finished politically, or can he still salvage something? Can Ariovistus' little empire in Gaul survive, and could we see the Germanic tribes attempt to invade or settle Gaul vastly earlier? How does this affect Rome, and the careers of the other members of the Triumvirate, such as Pompey and Crassus? How does this affect the civil wars?
 
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