Final answer:
The second step in argumentative writing is to provide evidence (including analysis of that evidence).
Step-by-step explanation:
The second step in argumentative writing is to provide evidence (including analysis of that evidence). This means supporting your argument with facts, statistics, expert opinions, and other forms of evidence that logically support your position. It is important to analyze the evidence and explain how it relates to your argument to strengthen your position and persuade your audience.