Question

what led to the development of many languages ( one word answer)​

Answer 1

Answer:

Explanation:The available linguistic evidence does not support the model postulated by evolutionary sources for the origin of languages.

Answer 2

The proto-indo-European language led to the development of many languages.  

Explanation:  

• In the ancient world, the varied languages were not present, and the main language of the central group of humans was considered to be proto-indo-European language.
• It is from this language that all the present languages of the world has developed. With time, as humans started migrating and settling in different localities, the core language changed and with time developed different strains of languages.
• Sanskrit is considered an 'ancient language of India' and from it, almost all the present Indian languages have taken birth.