If your reason is vague or exaggerated, the best way to make it more effective is to A. research the facts.
This refers to the edition of a text to make it better by adding new details or removing obsolete ones.
Hence, we can see that when a person is making a claim or argument about something and his reasons becomes vague, then he would have to research the facts to make it more effective.
Read more about revision here:
https://brainly.com/question/8823021
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