Grand Solar Minima, the bad-weather- periods are times of peace, reason and socio- political developments in favor of human rights.
Inversely, almost all wars and genocides take place in Grand Solar Maximum, which are associated with favorable and stable climate as well as population increase.
This was demonstrated empirically in the previous book Solar History.
And there is more good news for humanity, even though in the summer of 2020, it is not apparent that deep solar minima are times o.