"all the nations of the franks trembled at that terrible army, and they betook them to their king caldus (charles martel), and told him of the havoc made by the moslem horsemen, and bow they rode at their will through all the land of narbonne, toulouse, and bordeaux, and they told the king of the death of their count."
— anon arab chronicler
this passage is discussing
a) the battle of corboda
b) the battle of poitiers
c) the mamluk overthrowing of the abbasids
d) the invasion of the byzantine roman empire