Kiyomori grins with glee as he makes huge profits by importing coins - What impact did Japan-Song trade have on Kamakura?

Whether it's a historical drama or a historical manga, there is one thing that is rarely depicted, despite its enormous impact on society. Money (economy and trade). Whether it's the Sengoku period or the Meiji Restoration, the highlights are battles, raids, political struggles, diplomacy, etc., and money rarely plays a leading role. In the 2022 historical drama "The 13 Lords of the Kamakura," the main characters were samurai. However, the topic…