The development of France-Japan relations in the 19th century coincided with Japan's opening to the Western world, following two centuries of seclusion under the "Sakoku" system and France's expansionist policy in Asia. The two countries became very important partners from the second half of the 19th century in the military, economic, legal and artistic fields. The Bakufu modernized its army through the assistance of French military missions (Jules Brunet), and Japan later relied on France for several aspects of its modernization, particularly the development of a shipbuilding industry during the early years of the Imperial Japanese Navy (Emile Bertin), and the development of a Legal code. France also derived part of its modern artistic inspiration from Japanese art, essentially through Ja