Budae-jjigae was created in the 1950s when US soldiers in the region discarded meat. South Koreans used the meat to create stews.

I like to think that, somewhere in a forgotten corner of hell, an immortal general Douglas McArthur is being force-fed SPAM constantly and eternally. By this point he'd be a mountain of malnourished grease and fat, protected from myocardial infarction by the mandate of hell, his heartbeat powered by his ego, with just enough oxygen getting to his brain for him to stay aware of what's being done to him.