Why do all the societies need some dorm of government? how did the worlds earliest governments orginate? asap

The reason why societies need government is because of structure and how people view it. government and ways to run it needs strategic and precise people. athens, for example, one of the first recorded democracy governments. Greece thrived as long as it did because the citizens of that society appreciated and followed the laws that allowed the people to run it and not england, and other monarchy governments, they liked that freedom and showed that pride to protect it in wars and other things.
 

Because broadest terms allows the law flexibility depending on changing society and circumstances.