World War II all but destroyed ramen’s first wave of popularity. Thanks to food shortages and famine, the government placed tight regulations on food supplies, and earning a profit via restaurants or pushcarts was strictly prohibited until 1949. Some wheat flour made it onto the black market, though, and many of the country’s unemployed turned to hawking ramen. Which means, Solt points out, that selling future all-nighter fuel could and did land people in jail.
Holt is the author of The Untold History of Ramen: How Political Crisis in Japan Spawned a Global Food Craze.