US President Donald Trump’s “blockade” of sanctioned oil tankers off Venezuela’s coast was raising new questions about the legality of his military campaign in Latin America, while fuelling concerns that the US could be edging closer to war.
The Trump administration says its blockade is narrowly tailored and not targeting civilians, which would be an illegal act of war. But some experts say seizing sanctioned oil tied to leader Nicolas Maduro could provoke a military response from Venezuela, engaging American forces in a new level of conflict that goes beyond their attacks on alleged drug boats.
“My biggest fear is this is exactly how wars start and how conflicts escalate out of control,” said Congressman Jason Crow, a Colorado Democrat who fought in Iraq and Afghanistan. “And there are no adults in the room with this administration, nor is there consultation with Congress. So I’m very worried.”
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Claire Finkelstein, a professor of national security law at the University of Pennsylvania, said the use of such an aggressive tactic without congressional authority stretches the bounds of international law and increasingly looks like a veiled attempt to trigger a Venezuelan response.

“The concern is that we are bootstrapping our way into armed conflict,” Finkelstein said. “We’re upping the ante in order to try to get them to engage in an act of aggression that would then justify an act of self-defence on our part.”
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