However, the states of a burial need to be still considered: whether the case of discovering over ten dotaku from one site shows such many were buried in accordance with the scale of the 'great happening,' or whether the case of the concurrent burials all over the country show the 'great happening' occurred on a nationwide scale during the Yayoi period.
しかし十数個同時に出土する例は「大変事」の規模にあわせたために大量に埋納したのか、全国各地で出土するのは全国規模で弥生時代を通して「大変事」が頻発したのか、等を埋納状況などを踏まえた上で考える必要がある。