Does an honorable warrior torture a prisoner to get information?

Yes, they are obedient until the end. When it comes between a prisioner and his fellow civilians, he must do what is right to protect those civilians

no one should discriminated against because he or she is not from a minority group

the factors that the economies of the muslim empires prosper were:

1- land trade routes-located between three continents  

2- sea trade routes

trade contributed to the spread of muslim empires, and with that islamic culture led to a growing feeling of internationalism resulted in the transfer of technology, science, and other cultural forms.