didn't find it on instagram but here is an article with the same headline but it's from 2023 https://www.economist.com/finance-and-economics/2023/10/30/what-a-third-world-war-would-mean-for-investors and behind a pay wall
I hate to break it to everyone but we are already in world war 3. It's just that we need way less troops to fight it and you will be shocked to find out who the axis are this time around.