Ibn-i- khaldoon described society in ever changing state. He believed that, the state which loses force of Al-Asabia become disorganized. Therefore, societies in which individuals are not united, they would be ruled by outsiders. Therefore, it changes the entire social structure of society.
According to Ibn-i- Khaldoon when unity diminishes in tribes, there is a chance of external threats. The other tribes will take advantage of the circumstances and raid the less united tribe villages. If there is no unity amongst the members of tribe, they would not be able to defend themselves against, external aggression. He suggested that the state boundaries should not be beyond the control of government. Moreover, he says that, state has physical age of 120 years and every nation rises and then fall after a passage of time and replaced by other nation.
