Answer:
Subject matter is what something is about. The theme is the message that the author of this subject matter wishes to convey. The subject of a book, short story, or poem is what it is about, but the theme is the moral or lesson. ... You can determine the theme by the message the author is trying to convey to the reader. The topic of the book, story, or poem will be related to the theme because authors use a story to convey the theme.
Step-by-step explanation:
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