 Conversely, the shogunate wished to engage in a vast program of industrial development in many areas, and in order to finance and foster it relied on the exportations of silk and the development of local resources such as mining (iron, coal, copper, silver, gold).Very soon relations developed at a high pace.The Japanese shogunate, wishing to obtain foreign expertise in shipping obtained the dispatch of the French engineer Léonce Verny to build the Yokosuka arsenal, Japan's first modern arsenal.