Answer: Genre, Political philosophy. Publication date. 1792. A Vindication of the Rights of Woman: with Strictures on Political and Moral Subjects (1792), ... but particularly in her novels Mary: A Fiction (1788) and Maria: or, The Wrongs of Woman.
The setting of "Marigolds" is during the depression or the 30s. You know this because the story says, "The depression that gripped the nation was no new thing to us" and "the black workers of rural Maryland had always been depressed".