Why do writers who advocate moral, philosophical, or religious issues frequently use symbolism or allegory?

The correct answer to this open question is the following.

Writers who advocate moral, philosophical, or religious issues frequently use symbolism or allegory because it is a useful way to transmit concepts and information in a more comprehensible way for the readers better understand complex topics.

Many times religious or philosophical issues are difficult to understand. That is why authors use symbolism, allegories, and metaphors because they are a good way to transform complex information into simple or clearer concepts.  For instance, the Christian Bible is an example of many metaphors, symbolism, and allegories, as is the case of the Genesis and the creation story.

answer; ///i believe the correct answer is (b) the writing of the ancients who lived in india after the indus valley inhabitants died out;

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