Final answer:
Authors conduct research in an argumentative essay to find evidence and strengthen their arguments.
Step-by-step explanation:
When writing an argumentative essay, the most important reason authors conduct research is to find evidence to support their arguments. Research helps authors gather facts, data, and examples that strengthen their position and persuasively present their point of view. By conducting research, authors can provide valid and reliable evidence that enhances the credibility and effectiveness of their arguments.
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