The answer is - New Kingdom.
Ahmose is known and respected for multiple reasons, some of which are:
- Getting back the lost territories; Ahmose managed to defeat Hyksos and to return the lands of Nubia and Canaan that were once part of Egypt and that were of great economic and military importance.
- Reforming Egypt; He managed to reform the Empire in every aspect, economically, military, culturally, morally even... He lifted the empire from the ashes and managed to make it a great power and actually during his reign Egypt managed to reach its peak.
- Pyramid; The last built pyramid ordered by a native ruler in Egypt was from Ahmose.
Answer:
The shape that could be used to describe the structure of social classes in early civilizations is the pyramid. In the absence of social classes the whole system will break down, and the social classes provide basis for a successful civilization.
The uppermost class was of the Brahmins, followed by Kshatriyas, Vaishyas, Shudras, Untouchables and last came the Adivasis.
Hope this helps:)