The Relevance of Language to development of human society

Greeting to all Nairalander

The topic above gave tough time to break, but nevertheless i have done something, but i need
a good article to back my self up. this is an assignment for me(am not lazy though i almost finish my work but I've not meet up to the numbers of pages required.

Pls if you bored or less busy or even if you have such article kindly help your fellow brother

my mail is goodmuyis [at] yahoo.com

Thanks