History of Language

Here is a video about history of language and some questions bellow

1) Why is it said that people in East Africa develop more than the rest?
    
because they develop a better language.


2) What happened to the earlier language on the Earth?
 
the ancients languages have been erased and historians confirm that their trace were lost.


3) Accoring to Dr. Johanna Nichols, what were the first utterances made by Humans?


The first utterances consist of things that were transactionally between calls and words. Maybe that calls appear against the need to talk or to take the attention of others.