What is distinctive about new kinship groups created through affinal relationships?
a. they can be traced through consanguine or blood relatives.
b. they are linked through alliance, not through shared biology or common descent.
c. they are distinguished by multiple founding ancestors.

[content deleted] - user123802726recklesschicken

your answer is "graduates" hope this

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.