Answer:
The author uses evidence to strengthen his essay. The reader can see this with "proof."
Step-by-step explanation:
The authors strengthen the statements they give in the articles through evidence that supports and supports the arguments they are exposing. The more direct and punctual these evidences, the more efficient the article will be, especially when the evidences are scientifically or socially proven. With this, the authors present "proof" to the readers about everything they are talking about and about their position on the given theme.