A theme is a central idea or main reason why an author wrote a story,, or article.
As a result of this, if two books have similar theme, then it would mean that the central idea of the books bear some resemblance and in this case, they talk about small efforts yielding big difference.
With this in mind, we can see that there are some details which supports a theme. Some characteristics of a good detail include:
Please note that your question is incomplete which made me give you a general overview to help you get the right answer.
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https://brainly.com/question/1474824