Did the U.S.A. just Sabotage the Nord Stream pipelines?

Tucker Carlson investigates the possibility of the U.S.A.s involvement in the sabotaged of the Nord Stream pipeline.
Tucker Carlson asks what retaliation maybe incurred. What if the underwater international fiber-optic internet cables were cut? What would be the effect if the international banks could not communicate for a day? What about internet & banking going dark for 10 days, what would that do?