In 1461, only nine years after the birth of Leonardo da Vinci, Louis XI ascended the throne of France, this at a time when the radiance of the Italian Renaissance was approaching its zenith. The reign of Louis coincided with—and was a lawful product of—that Renaissance. This was the beginning of the modern sovereign nation state and the beginning of modern economics. Louis authored a book, Le Rosier des Guerres (“The Rosebush of Wars”), wherein he defined the raison d'être of the state to act on behalf of the Common Good; to act in such a way as to advance and improve the conditions of life of the people.

Read along here, https://www.larouchepac.com/it_s_time_to_learn_real_american_economics_part_5