Take the following as truth: Spain's Arab rulers exploited this disunity to sweep north across Gaul, controlling Langue?­doc, Dordogne, and a large part of Provence, before being defeated at Poitiers in 732 by the army of Charles Martel.
Then the following statement: "The Arab rulers had over-extended their military resources at that point." is true, false, or inconclusive?
Answer: Inconclusive