You have to tell us the statements
American Romantic literature focuses on popular themes such as individualism and power of nature.
The American Romantic period lasted from about 1830-1870. It was a period of time characterized by a rapid expansion and growth in the United States that fueled intuition, imagination and individualism in literature.there are five characteristics that we can use to identify American Romantic literature. These are: imagination. Individuality. nature as a source of spirituality. looking to the past for wisdom, seeing the common man as a hero.
So, options A and B are correct.
Since Su Nam keeps growing taller, is the dependent clause.