b. The men of Khor fakkan were not punished brutally
Explanation:
After some time under siege Khor fakkan fell down to the Portuguese. And many men were tortured and killed, several women and children were taken imprisoned.
Then Alfonso de Albuquerque became Governor under the Portuguese crown, controlling the trade at the Gulf of Oman.
A faction is a group of individuals concerned more with their self-interest than with the rights of individuals outside the group or with the needs of society as a whole.