Is War and Peace a long documentary novel?

War and Peace was a famous Russian novel by Tolstoy. It was regarded as a classic in the history of world literature. The main plot of the novel revolved around the war experience of the Russian army during the Napoleonic invasion in the early 19th century. It depicted the cruelty of war and the complexity of human nature, showing the changes in the thoughts and emotions of the protagonists. Therefore, War and Peace could be considered a long documentary novel.