After that, people came to say that persons who did not cooperate with the copper production were betrayers of the country, because the increase production was demanded as a national policy, therefore the movement against the mining pollution temporarily subsided.
これ以降の時代は、国策である銅の増産に協力しない者は非国民であるという主張がされるようになり、鉱毒反対運動は一時下火になった。