The answer is : The crusades.
The Crusades were a series of religious wars between Christians and Muslims started primarily to secure control of holy sites considered sacred by both groups. In all, eight major Crusade expeditions — varying in size, strength and degree of success — occurred between 1096 and 1291.
They helped maintain order in society and he mediated over disagreements over business contracts.
Answer:
But the 1920s were an age of extreme contradiction. The unmatched prosperity and cultural advancement was accompanied by intense social unrest and reaction. The same decade that bore witness to urbanism and modernism also introduced the Ku Klux Klan, Prohibition, nativism, and religious fundamentalism.
I believe the example is Estaban, who was born into a family with power and is now considered part of the highest group based on his ascribed status
In caste system, the value that individual had within the society is derived from the status/occupation that they had rather than their virtues.
People who born in family with power would most likely able to obtain good occupation/status which made them palced in highest caste group.