The purpose of using evidence in an argument is to support and strengthen your point of view. By presenting relevant facts, data, or examples, you can provide a solid foundation for your argument and make it more persuasive. Evidence helps to validate your claims, demonstrate your knowledge and understanding of the topic, and convince others of the validity of your position. It adds credibility to your argument and allows for a more informed and balanced discussion. Utilizing evidence in an argument fosters critical thinking and encourages logical reasoning, enabling a more effective exchange of ideas and potentially leading to a more well-rounded conclusion.