An effective argumentative essay must contain a strong claim supported by evidence to persuade the audience. Feelings, ideas, or opinions alone do not make a robust argument. For example, citing research helps substantiate the argument presented. ;
An effective argumentative essay must include a claim supported by evidence, as this strengthens the argument and persuades the reader. Simply relying on feelings, ideas, or opinions does not create a compelling case. Thus, the correct answer is A. evidence.
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