Question: André Jardin (1912 – 1996) was a French biographer and historian, best known for his studies of Alexis de Tocqueville and 19th century French history, translated into English as "Tocqueville: A Biography" in 1988 by Lydia Davis and Robert Hemenway—was acclaimed as the definitive account of the life and career of the author of "Democracy in America"/De La Démocratie en Amérique, is a classic French text by Alexis de Tocqueville, published in how many volumes?
Sentence (from "Democracy in America"): In the book, Tocqueville examines the democratic revolution that he believed had been occurring over the previous several hundred years.
Relevant evidence: No