Hunan beings are talkative creatures and always have been, so far as we can see.It was our urge to communicate with each other and growing ability to do so that made us that was probably the chief factor in the development that made us different from all other animals.
Leading anthropologists are now of the opp opinion that it was not so much aggressiveness ability to co-operate that gave the earliest forms of man a superiority over other of ape family, and co-operation entails communication.