<span>a similarity between like features of two things, on which a comparison may be based
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Answer:
Sometimes, an author tries to represent or introduce their own alter ego as a character in a story. They use a fictional character to express a secondary personality that they may feel they have but don't show in real life.
"Why" is the question to ask to help identify the reason for an event that happens in a historical text.
If you ask "why" an event happened, you will get to better understand the reasoning around it, what prompted the event, and some of the personal/political emotions or decisions that surrounded the event.
