Such economic development was resulted from production of gold, silver and copper in large amount due to mine development such as Innai Silver Mine, and a lot of foreign goods were imported to Japan in exchange for gold and so on.
このような経済の発展は、院内銀山などの鉱山開発が進んで金・銀・銅が大量に生産され、それと引き替えに海外の物資が大量に日本に入り込んだためでもあった。