The society originated when groups of early humans decided to stay together in one place as they found it troublesome and threatening to roam alone. A society formed with the same language, culture and religion. Society took shape when people decided to live together and work that would form small groups. Living in a group led to the development of society.
The answer is sociology as this is focused more on social
interactions as this studies an individual or a group in terms of their
structure their function in the environment and in the society as well as the
relationships they build.