Answer:
If you feel emotional comfort when you cry, your mood can improve afterwards
Explanation:
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The abbreviations for the following are:CIA, USPS, DHS
It is important to know the author's purpose because knowing the author's purpose can change how the story is being told. If someone said,"Mom, I would really like this new video game for my birthday." and the author's purpose was to inform, it would be informing the mom that the person wanted the video game. If the author's purpose was to persuade, that person would be persuading the mom to get him the video game.