Answer and Explanation:
Mahabharata says that royalty is necessary to create a sense of belonging to the people, in addition to creating religious and civil unity in a territory. This is because royalty determines the rules to be followed to create the organization of the society, in addition to representing a religion that must be followed and promoting faith and hope for its people. This kind of importance can also be seen in Egyptian royalty, with the difference that in Egypt, royalty did not represent a religion, but was seen as the very god of his people. An author who decides to tell this story, seeks to show readers how royalty can have different meanings in different cultures and regions.
The challenges humans faced is the climate weather and temperature. Which means they had to learn to adapt and have survival skills. Because of these factors, they have the issues of finding a settlement and growing crops and domesticating the animals. Technically, the transition between the Paleolithic and Neolithic is the turning point for the nomads. Where people began to have a settlements, easier growing foods besides hunting and gathering, have their own domestic animals to help them do the fields and etc. Which domesticating an animal led to selective breeding.