What is the first thing a writer should do when writing an introduction to an argumentative essay?

The first thing a writer should do when writing an introduction to an argumentative essay is to grab the reader's attention. This can be achieved through various techniques, such as presenting a surprising fact or statistic, posing a thought-provoking question, sharing a relevant anecdote, or providing a vivid description. The aim is to engage the reader from the beginning and make them interested in the topic.