As a result, for sengoku daimyo, operation of gold and silver mines in the territory increased their strategic importance as a means to raise war funds as represented by Iwami Ginzan Silver Mine which was designated a World Heritage as commenced in the Sengoku Period.
これに伴い、戦国大名にとっては、戦国時代から始まるとして世界遺産にも指定された石見銀山に代表されるように、領内にある金山・銀山の運営が、軍資金の調達のために戦略的な重要性を増した。