The US decided they could prosecute BNC because the transactions, completely legal where BNC was doing business, we're in US dollars. It took a $10 billion fine to finally get France to push back.
America's allies really need to sit Columbia down and have an intervention. It's been 238 years since she moved out of Britannia's house, and it's just been wild parties and wars of choice ever since. At some point, it really is time to settle down and start respecting the neighbors.