I'm aware of the Marshall plan. Parent's comment could have been read as "continues to fund the EU" which I don't think is a thing other than the usual, trade, etc.
Thanks for sharing the link to the ECSC, it's been a while since I read about that. I wouldn't say though that the US founded the EU (https://en.wikipedia.org/wiki/European_Union), at least not in the literal sense of the word.
https://en.wikipedia.org/wiki/Marshall_Plan
They funded and founded the EU, it was their idea, to merge economies and to open up borders to trade their goods push their influence further East
And it was their ideas to break big monopolies so their industry could be more competitive over there
https://en.wikipedia.org/wiki/European_Coal_and_Steel_Commun...
And now, it is their idea to allow data transfers and tinker with copyrights law so they can further help their AI industry