Yes, and, in fact, Nord Stream 2 did not move forward.
The German government simply didn't grant approval to begin operation.
No underwater bombings necessary.
A kind of operation like this would be known by very very few. Same with all conspiracy theories, people like to point to vague statements made by officials who would have absolutely zero idea about this kind of operation.
https://twitter.com/statedept/status/1486818088016355336