Answer:
we don't know the theme so we can't help you
James Weldon Johnson's The Autobiography of an Ex-Colored Man<span> is a fictional, tragic tale about a young mulatto's coming-of-age in the early 20th century. We are meant to be sympathetic</span>
Since I believe Emily Dickinson wasn't really religious, I would say that she writes that the church steeples "swam in Amethyst" to show that the church steeples represent wealth. Amethyst is green, just like money, so maybe she wanted to portray wealth in this way.