Why would a writer want to use more than one strategy when composing a good argumentative essay?

Because in order to win an argument a writer should use multiple rhetorical strategies in order to support his or her argument.

Because in order to win an argument a writer must always consider what kind of support people are likely to come up with.

Because in order to win an argument writers have to look at all rhetorical strategies that Aristotle used when making his arguments in Ancient Greece.

Because if a writer wants to be considered proficcent at his craft, he must use lots of rhetorical strategies.