Answer:
A regional or social variety of a language distinguished by pronunciation, grammar, or vocabulary, especially a variety of speech differing from the standard literary language or speech pattern of the culture in which it exists.
or
A variety of language that with other varieties constitutes a single language of which no single variety is standard.
Hope this helps :)
There are no untrue statements on the list you have provided.
The answer is E.
A, B, C, and D are either irrelevant or already included.
Answer:
The drawbacks of regionalism include the possibility for each individual city or county to lose their respective independence and/or identity.
At the lowest angle. Closest to the horizon