10
From what we have learned about the basic principles from the Qur'an, we are of the opinion that the angels were not employed directly to take part in fighting and killing but probably they were used to help the Muslims in making their strokes hard and effective. But the true knowledge is with Allah.
11
Up to this place references have been made one by one to some events in connection with the Battle of Badr: this is to show the real significance of the Arabic word anfal. At the very beginning of the Surah, it is decreed that 'bounties belong to Allah and the Messenger and not to you because the spoils are not the fruit of your efforts.' As a proof of this, these events have been enumerated for the consideration of the Believers and they have been asked to judge for themselves how much they contributed to the spoils by their courage and bravery and how these owed to the bounty of Allah.
12
The address has been suddenly turned to the disbelievers because of the mention of the punishment they deserved.