Answer: The correct answer is D. The breakup of a language into dialects and distinct languages.
Explanation: Language divergence can be understood as the breaking of a language into smaller dialects. It is caused by the geographic separation between people that speak the same language but are not in contact with each other.
This distance helps modify the rules and norms of said language causing them to diverge from each other.
It is the opposite of language convergence which happens when two different languages mix.
In conclusion, the best way to describe language divergence is as the breakup of a language inton dialects and disctict languages.