If they had chalked out a proper political plan they should have...

If they had chalked out a proper political plan they should have, immediately, on breaking off their relations with the Arab army, expressed regret for having violated their pact with the Muslims, so that they should have remained safe from the danger of their (Muslims) probable victory. However, they fell prey to ill luck, for they cut off their relations with Quraysh and did not also join the Muslims.

After the departure of the Arab army the Prophet could not afford to leave Bani Qurayzah to themselves, because it was probable that they ( the Arab army) might come once again at some appropriate time, with sufficient equipment, to conquer Madina and endanger the very existence of…