Answer:
Harriet Beecher Stowe believed that slavery ought to be abolished.
Explanation:
Stowe was the author of the novel <em>Uncle Tom's Cabin, </em>which was a major turning point for the abolitionist movement. Just by the fact that she wrote a book concerning that slavery was a sin and the evils about it, one can infer that she believed slavery should be abolished.
Gloomy
The author's tone is is gloomy as it is discussing death.
An effective argument includes both, because you have to present your opinion on the topic and then utilize facts to explain your reasoning.
