What are the reasons for marginalisation groups?

I think the reason for marginalization may be done to an individual or an entire group. The main consequences of being marginalized are from a social and economic perspective. It often involves limited rights for an individual or a group, which makes it difficult to correct the marginalization.

Explanation:

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.