After the death of Henry II,__________ served as regent and kept the Valois dynasty in place.

A) Catherine de'Medici
B) Mary Stuart
C) Marie de'Medici
D) Richelieu
E) Admiral Gaspard de Coligny

Catherine de'Medici was the wife of Henry II and served as regent after his death, keeping the Valois dynasty in place. Mary Stuart was the Queen of Scotland and had no role in the French monarchy. Marie de'Medici was the wife of Henry IV and also served as regent, but after the death of her husband. Richelieu and Admiral Gaspard de Coligny were important figures in French history, but did not serve as regent after the death of Henry II.