And finally, although it's been mentioned on this board before, it would be remiss of me to neglect mentioning that the American carriers were livid at the quality and quantity of sandwiches served by their European rivals - KLM included - at a time when IATA rules only allowed " coffee, tea, mineral water and a few “simple, cold, and inexpensive” sandwiches" to be served on transatlantic flights....


https://time.com/4096427/great-sandwich-war-of-1958/