Question: Joyce Carman Barkhouse, was a children's writer, of which nationality, best known for writing historical fiction, and is the aunt of Margaret Atwood, a Canadian poet, novelist, literary critic, essayist, inventor, and environmental activist?
Sentence (from "Petru Manoliu"): By the time of World War II, he had also begun writing historical fiction and plays, penning anticommunist and anti-Soviet articles in the central newspapers.
Relevant evidence: No