When detainees are transferred between roles of care, all these individuals are required to accompany the detainee except

chaperone

Explanation:

A Chaperone is one that accompanies or supervise, looks after a group of people. The chaperone won't be needed to accompany the detainers once they are transferred.

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.