The US is lifting its embargo on sales of lethal weapons to Vietnam.
Barack Obama announced the move during a visit to the country.
The US President is also using his visit to press for greater human rights, and to encourage progress towards the Trans Pacific Partnership free trade deal.
The White House move on weapons sales comes as the US boosts its ties with Pacific allies amid growing tension with China over regional territorial disputes.
President Obama says it's a significant development in relations.
IN: "We've agreed…
OUT: …Cold War."
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