In her speech arguing for the elimination of pennies from the U.S. money supply, Shira demonstrated that the plan will work by showing that a similar plan worked when the United States eliminated the half penny in 1857. What kind of reasoning did Shira use in her argument

Analogical Reasoning

Explanation:

In the given example, Shira is using analogy to prove her point. In analogical reasoning, it is demonstrated that how the two things are similar or alike, in order to make a point and here that point or goal of Shira is the plan for the elimination of pennies from the U.S. money supply. So in order to achieve this ultimate goal and to make her pint she gave an example of a similar plan that worked when the United States eliminated the half penny in 1857. According to her the similar plan worked so her plan will also work. So her reasoning relies upon analogy. Hence she used Analogical Reasoning.