in the modern era, Iceland is the world leader in geothermal, population of 350,000 with careful records of birth and an app to not date too close a cousin. they have 1 highway and the government caused a problem when they wanted to move a rock because it would upset the Elves. their last election saw the first success for the Pirate Party..
you need to run the list of major volcanoes that caused cooling for decades. then these patterns make sense and can compare the post industrial revolution impact. after all, Easter Island depleted their resources and collapsed their environment. we’re able to impact more globally now than people then.
I know my ancestors, eh. https://dykewriter.wordpress.com/2016/11/12/vikings-vs-climate-change/
After pillaging a village, the children would be used for entertainment.
Tossing them in the air and spearing them. Viking fun.
Harald thought this was excessive and preferred to bury them alive in pits. thus the name, child lover – showing kindness. so
Just brutal, nothing perverse like the Vatican Sex crimes, eh.
The problem that the Greenland Vikings had was being Christian and trying to live European Style, which was co-opted from Rome.
They did not eat the local wild game very much and did not eat fish. They did not interact or trade with indegious peoples because they were pagans.
Europe was nearby, with finished goods and metals, easy pickings for Pagan Vikings.
Who became the Saxons in England and the Normans in France.
I expect the Pagan Vikings continued into the 1250s, into the Mediterranean and ended those classical era civs – under the legend in the below known map