Famines of 1315 and 1640 had floods destroying crops and food was unaffordable for most people of the time. We are beginning to see the same overlap of historical events play out today. Countries across Africa embrace BRICS out of necessity as Russia increases grain production to 28% of world wheat production.
Sam Thayer's Field Guide to Edible Wild Plants: www.amzn.to/3xY5ANo