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USA Will Invest in High-Speed Train to Fight Climate Change
(www.raillynews.com)
This is a most excellent place for technology news and articles.
The US did not invent trains. Trains were invented in the UK with the first public railway being between Stockton and Darlington.
The US was the first to truly master trains on a large scale I'd argue, but you're right they absolutely did not invent them.
We invented the steamship though, and we also arguably invented the modern submarine.