Question

What helped spread and develop language?

Answer 1

is this a math question?

Answer 2

Parents play a critical role in a child's language development.

Answer 3

i guess the common interest of people to understand each other

a language is only a set of sounds (and symbols) agreed upon.

Answer 4

Thanks

Answer 5

Q: What helped spread and develop language?
A: People

Answer 6

Talking

Answer 7

Thanks

Answer 8

I'd also add travel and pioneering