Question: Raymond Carver and Margaret Wilson, both are of which nationality?

full_context: Document 1: Eudora Welty: Eudora Alice Welty (April 13, 1909 – July 23, 2001) was an American short story writer and novelist who wrote about the American South. Her novel "The Optimist's Daughter" won the Pulitzer Prize in 1973. Welty was awarded the Presidential Medal of Freedom, among numerous awards including the Order of the South. She was the first living author to have her works published by the Library of America. Her house in Jackson, Mississippi has been designated as a National Historic Landmark and is open to the public as a house museum.
Document 2: The Law and the McLaughlins: The Law and the McLaughlins is a 1936 novel by Margaret Wilson first published by Doubleday, Doran & Company, Inc.. It was a sequel to her earlier Pulitzer-prize winning "The Able McLaughlins".
Document 3: So Much Water So Close to Home: So Much Water So Close to Home is an album by Australian rock band Paul Kelly and the Messengers and was originally released in August 1989. The title comes from a short story of the same name by author Raymond Carver. Carver had died in August 1988. Kelly would go on to co-write the score for the 2006 Australian film "Jindabyne",
Document 4: Margaret Wilson (writer): Margaret Wilson (January 16, 1882 – October 6, 1973) was an American novelist. She was awarded the 1924 Pulitzer Prize for "The Able McLaughlins".
Document 5: Little Things (short story): "Little Things" is a short story by American writer Raymond Carver. It was originally title "Mine", but was first published in "What We Talk About When We Talk About Love" under the title "Popular Mechanics." It was then republished with the title "Little Things" in Carver's 1988 collection "Where I’m Calling From: New and Selected Stories".
Document 6: The Red Convertible (1984): "The Red Convertible" is a short story from "Love Medicine", a collection of narratives written in 1974 by American author Louise Erdrich.
Document 7: Forrest Wilson: Robert Forrest Wilson (January 20, 1883 in Warren, Ohio – May 9, 1942 in Weston, Connecticut) was an American author and journalist. He won the Pulitzer Prize for Biography or Autobiography in 1942 for his biography of Harriet Beecher Stowe, "Crusader in Crinoline: The Life of Harriet Beecher Stowe" (Philadelphia: Lippincott, 1941).
Document 8: Raymond Carver: Raymond Clevie Carver Jr. (May 25, 1938 – August 2, 1988) was an American short-story writer and poet. Carver contributed to the revitalization of the American short story during the 1980s.
Document 9: Where I'm Calling From: "Where I'm Calling From" is a short story by American author Raymond Carver. The story focuses on the effects of alcohol. Throughout this story Carver experiments with the use of quotation and meditates on the healing factors of storytelling. This story also lends its title to a collection of thirty-seven short stories compiled by Carver, "Where I'm Calling From: New and Selected Stories".
Document 10: Carol Sklenicka: Carol Sklenicka (born 1948 in San Luis Obispo, California) is an American biographer and essayist best known as the author of "Raymond Carver: A Writer's Life", the first comprehensive biography of short story writer Raymond Carver.
Document 11: Short Cuts (film): Short Cuts is a 1993 American comedy-drama film, directed by Robert Altman. Filmed from a screenplay by Altman and Frank Barhydt, it is inspired by nine short stories and a poem by Raymond Carver. Substituting a Los Angeles setting for the Pacific Northwest backdrop of Carver's stories, the film traces the actions of 22 principal characters, both in parallel and at occasional loose points of connection. The role of chance and luck is central to the film, and many of the stories concern death and infidelity.
Document 12: Beginners (short story collection): Beginners is the title given to the manuscript version of Raymond Carver's 1981 short story collection "What We Talk About When We Talk About Love", published by Carver's widow Tess Gallagher in 2009.
Document 13: Margaret Laurence: Jean Margaret Laurence, CC (née Wemyss) (18 July 1926 – 5 January 1987) was a Canadian novelist and short story writer, and is one of the major figures in Canadian literature. She was also a founder of the Writers' Trust of Canada, a non-profit literary organization that seeks to encourage Canada's writing community.
Document 14: Harriet E. Wilson: Harriet E. Wilson (March 15, 1825 – June 28, 1900) is considered the first female African-American novelist, as well as the first African American of any gender to publish a novel on the North American continent. Her novel "Our Nig, or Sketches from the Life of a Free Black" was published anonymously in 1859 in Boston, Massachusetts, and was not widely known. The novel was discovered in 1982 by the scholar Henry Louis Gates, Jr., who documented it as the first African-American novel published in the United States. The novel, "The Bondwoman's Narrative" by Hannah Crafts, published for the first time in 2002, may have been written before Wilson's book.
Document 15: The Able McLaughlins: The Able McLaughlins is a 1923 novel by Margaret Wilson first published by Harper & Brothers. It won the Pulitzer Prize for the Novel in 1924. It won the Harper Prize Novel Contest for 1922-23, the first time the prize was awarded. Wilson published a sequel, "The Law and the McLaughlins", in 1936.
ground_truth: American