Dude...
Prez Biden said the U.S. will stop it.
Victoria Nuland said the same.
There was Baltops 22, which just happened to 'practice' dearming underwater mines, as mentioned in local media.
Also mentioned in local media, the last three ships of the U.S. Navy passed by there just a week before the explosions,
with one especially suited for such operations.
Also one U.S. Navy Helo flying and circling exactly above the areas of the explosions, as shown by several tracking sites.
Apply some 'Occams razor'...
edit: Eyeroll