Is caste system is changing in nepal? mention the factors behind it.​

the goverment of nepal legally abolished the caste-System and criminalized any caste-based discrimination,including"untouchability"(the ostracism of a specific caste)-in 1963

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.