Peter Zeihan on Instagram: "Massive population shocks are nothing new; just look at the Mongol invasions or the Black Death. But is the demographic collapse of today comparable to those historic cases? To get early access to all the videos and newsletters, as well as other perks like the news digest, join the Patreon… Full video, newsletter, and podcast at the link in bio. #demographics #mongols #blackdeath #population #peterzeihan"