Đóng người bán sức lao động để chỉ ra phương phap bảo vệ lợi ích

yes i would go with c

hope i

-lavira: )

the first question's answer is a.

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.