Ukraine Blacklists 20 Russian ‘Shadow Fleet’ Tankers as U.S. House Moves to Let President Levy 100% Tariffs on India & Other Big Buyers

Great-power conflicts have often been fought with embargoes as much as armies—from Washington’s July 1941 oil freeze on Japan (which Tokyo cited as casus belli) to the 1973 Arab oil embargo that recast global finance. Today’s twin moves—Kyiv severing Russia’s covert tanker network while Congress debates secondary tariffs on third countries—fit a long arc of weaponising supply chains and market access. They highlight two structural shifts: first, sanctions are no longer just bilateral punishments but nodes in a mesh aimed at logistics (the ‘shadow fleet’) and demand (India’s refiners); second, Western legislatures now openly threaten partners, a sign of the dollar system’s still-large, yet increasingly contested, leverage. Whether these measures hasten Moscow’s fiscal squeeze or accelerate the splintering of energy and payment blocs matters less next quarter than in 2126, when historians will judge if 2020s sanctions architecture entrenched a multipolar trade order or preserved a U.S.-centric one.