The correct answer is Family.
According to the Evolutionary Theory, the state begins as a family.
The Evolutionary Theory of the government states that the concept of government developed with time, having its origins with the concept of family, the basic element in society. The family had a ruler or leader, who controlled the affairs and decisions of the familiy. Then, throughout the years, families gather together and formed clans, and then, a group of clans formed a tribe. When the tribes considered the area where they lived as a territory, the concept of state started to develop.