The main purpose of Lin Zeus letter to queen Victoria was to persuade her to what?

Lin Zexu's letter to Queen Victoria aimed to persuade her to reconsider the opium trade and its detrimental effects on Chinese society. He implored her to halt the exportation of opium from Britain to China, emphasizing the moral and social consequences of the addiction it caused among the Chinese population. Lin sought to appeal to her sense of justice and humanity, urging her to take action against the trade that was harming her subjects as well.