It means "aunt on the mother's side".
Explanation:
A adverb is a dependent clause that functions as an adverb.
This means that this part of a sentence could not stand on its own a separate sentence without the independent part of the sentence.
Answer: Pistols and revolvers
Explanation: (Dont ask how I know that (;)
B. You, because the word you is the first word of the question and the fist letter of the first word at the beginning of a new sentence is capitalized.