(Embraer) which Boeing tried buying but the deal was reverted due to the failure of the 737-max..
(I was actually under the impression this acquisition had happened until a few minutes ago)
> in April 2020 Boeing terminated the joint venture deal due to impact of the 2019–20 coronavirus pandemic on aviation and market uncertainty. Embraer alleges that the financial impact of the Boeing 737 MAX groundings contributed to the demise of the deal
So, the deal was broken before both governments had time to decide if they allowed it.
(I do remember some of Embraer clients canceling orders in 2020. AFAIK, they are still bottlenecked by their manufacturing capacity.)