U.S. Begins De-Facto Maritime Blockade, Chases Third Venezuelan Sanctions-Busting Tanker in 11 Days

Great-power coercion at sea is hardly new: Britain’s 1904–14 “distant blockade” of Germany and the 1962 U.S. Cuban ‘quarantine’ both mixed legal grey zones with naval muscle to throttle an adversary’s trade. Today’s pursuit of Venezuelan tankers fits a 21st-century pattern where sanctions and maritime interdiction merge—seen earlier in U.S. seizures of Iranian fuel cargos (2020) and Russia–North Korea coal swaps (2018). The gambit leverages U.S. blue-water dominance and financial reach, yet risks normalising gunboat economic policy and inviting tit-for-tat detentions by other powers. Over a 100-year horizon the episode may matter less for near-term oil prices—already trending downward amid an energy transition—than for the precedent it sets: a world where sea lanes become enforcement zones for unilateral sanctions, eroding post-1945 freedom-of-navigation norms and nudging smaller states toward alternative security or payment systems to avoid being blockaded at will.