<span>An adverb clause is a group of words that function as an adverb. The clause can modify verbs, adverbs and adjectives by telling when, where, why, how, how much and under what condition. They begin with a subordinating conjunction (such as after, if, because and although) and they contain a subject and a predicate.
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Read more at http://examples.yourdictionary.com/examples-of-adverb-clauses.html#5TRgHHUo0dpEof1f.99</span>
Answer:
dear friend,
im leaving because i don't like it here
your sincerly your friend
Explanation:
I believe the tone is kind of sad. The mood the author wanted to make was sadness. He wanted you to image him when he was younger. (i hope this helped)
Semi-colon, your answer is a semi-colon