I believe it was the EU rather than the FTC which killed the deal.
I would assume the US market was a bigger concern, but hard to know for sure: https://www.ftc.gov/news-events/news/press-releases/2024/01/...
I would assume the US market was a bigger concern, but hard to know for sure: https://www.ftc.gov/news-events/news/press-releases/2024/01/...