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North Korea nuclear talks break down. Associated Press. Published Thursday, March 22, 2007 2:48PM EDT. BEIJING - Negotiations on halting North Korea's nuclear program broke down abruptly Thursday, with the country's chief envoy to the talks flying home after a dispute over money frozen in a Macau bank could not be resolved.
eventually after 23 years of american involvement in the war the united states and north vietnam signed the paris peace accords on january 27 1973 this officially ended united states military involvement in vietnam american advisers remained in country