It is a metaphor. A simile has like or as in it.
It was given by Abraham Lincoln in Pennsylvania, during the civil war,.
<span>Aunt Alexandra wants the children learn about the Finch family and uphold to their heritage, but Atticus has not introduced them to the whole familes history, and instead has told them amusing stories, such as how their cousin Josh went insane at university.</span>
A comma indicates a pause between the ending of an introductory word, phrase, or clause, and the beginning of the main part of the sentence.
# A comma is used before any coordinating conjunction (and, but, for, or, nor, so, yet) that links two independent clauses. ....
#It is also used after a dependent clause that starts a sentence. ...
#Commas also used to offset appositives from the rest of the sentence. ...
#They are used to separate items in a series. (this is the most commonly used)