He arrived in Paris during the regency of Marie de Medici, when art was flourishing as a result of the royal commissions given by Marie de Medici for the decoration of her palace, and by the rise of wealthy Paris merchants who bought art. There was also a substantial market for paintings in the redecoration of churches outside Paris destroyed during the French Wars of Religion, which had recently ended, and for the numerous convents in Paris and other cities. However, Poussin was not a member of the powerful guild of master painters and sculptors, which had a monopoly on most art commissions and brought lawsuits against outsiders like Poussin who tried to break into the profession.