Wouldn't be the first time. Nixon had the NVA prolong the war so he could win the presidential election against LBJ.
Nixon Prolonged Vietnam War for Political Gain—And Johnson Knew About It, Newly Unclassified Tapes Suggest$1:
In 1968, the Paris Peace talks, intended to put an end to the 13-year-long Vietnam War, failed because an aide working for then-Presidential candidate Richard Nixon convinced the South Vietnamese to walk away from the dealings, says a new report by the BBC’s David Taylor. By the late 1960s Americans had been involved in the Vietnam War for nearly a decade, and the ongoing conflict was an incredibly contentious issue, says PBS:
https://www.smithsonianmag.com/smart-news/nixon-prolonged-vietnam-war-for-political-gainand-johnson-knew-about-it-newly-unclassified-tapes-suggest-3595441/