What types of laws were created to prevent child labor? Why were many of these laws unsuccessful?

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.

the last day of school because i didn’t have to go to school the next day

answer; implicit memories explicit;