Which is the best synonym for the word regirdor used in second paragraph keep in mind the Spanish word rigor and to rule

answer; ///( no)   they would be tried separate,criminal cases would be tried first, then the civil case;

the density would be a smaller number.

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.