Что думаешь? Оцени!
The answer was the US Navy, which was hungry for new pilots after World War Two. It was not building rockets but at least it involved flying.
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There’s been a bunch of weirdness around people betting on futures contracts in this way. Every once in a while oil goes negative because some of the people who are goofing around and betting realize they actually can’t take delivery of the oil that’s about to come due and so they just need to get rid of their contracts.