The correct answer is A) organized natural elements and figures into idealized compositions.
Nicolas Poussin is called a Classicist because he organized natural elements and figures into idealized compositions.
Nicolas Poussin (1594-1665) was a famous French painter that some historians consider him the father of the classic French style. His works were influenced by biblical passages and mythology. More than producing sensations or move the emotions of the people, he rather tried to make his works logical.