Final answer:
The question seems to have been misinterpreted. The provided information discusses the division of various entities such as the Mongol empire and the French social classes during different historical periods. The question about Bordeaux being divided amongst itself does not align with the given references.
Step-by-step explanation:
In the context of the question, the city of Bordeaux is not being divided amongst itself. The question seems to have been misinterpreted. The provided information discusses the division of various entities such as the Mongol empire and the French social classes during different historical periods. The question about Bordeaux being divided amongst itself does not align with the given references. Could you please provide more context or clarify your question?