The natives did a bunk
Malcolm Gaskill: The Little Ice Age, 19 July 2018
“... emerged, clarified by scholars in other fields, notably the great French historian Emmanuel Le Roy Ladurie, whose Times of Feast, Times of Famine was published in 1971. A decade later, Robert Rotberg and Theodore Rabb published a trailblazing volume of essays, Climate and History, their mission to explore ‘an exciting frontier for reading and ... ”