All of the following were reasons for the start of the first crusade in 1096 except : •popes hoped to promote christian unity between catholics and byzantines
•to destory the byzantine empire so that roman Catholicism would be supreme in Eastern Europe
• to regain control of the holy land from the seljuk turks
• to divert bickering and violent nobles and knights away from catholic riches in europe by sending them to fight in foreign

the caste system in india is the paradigmatic ethnographic example of caste. it has origins in ancient india, and was transformed by various ruling elites in medieval, early-modern, and modern india, especially the mughal empire and the british raj.it is today the basis of educational and job reservations in india.it consists of two different concepts, varna and jati, which may be regarded as different levels of analysis of this system.

the caste system as it exists today is thought to be the result of developments during the collapse of the mughal era and the british colonial regime in india. the collapse of the mughal era saw the rise of powerful men who associated themselves with kings, priests and ascetics, affirming the regal and martial form of the caste ideal, and it also reshaped many apparently casteless social groups into differentiated caste communities.the british raj furthered this development, making rigid caste organisation a central mechanism of administration

i didn’t fully understand your question but i hope this you !