Joint warfare in South Vietnam, 1963–1969 the election of Richard Nixon, and the change of U.S. policy to Vietnamization, or giving the main combat role back to the South Vietnamese military. The North Vietnamese term for the large-scale introduction of U.S. ground forces, in 1965, is the "Local War", according to Gen. Trần Văn Trà, the [North Vietnamese] " Party concluded, the "United States was forced to introduce its own troops because it was losing the war. It had lost the political game in Vietnam...the situation allows us to shift our revolution to a new stage, that of decisive victory." The Party issued a resolution to
South Vietnam in 1971. In accordance with the Paris Peace Accords signed with North Vietnam on 27 January 1973, US military forces withdrew from South Vietnam. North Vietnam was allowed to continue supplying communist troops in the South, but only to the extent of replacing materials that were consumed. The communist leaders had expected that the ceasefire terms would favour their side. But as Saigon began to roll back the Viet Cong, they found it necessary to adopt a new strategy, hammered out at a series of meetings in Hanoi in March 1973, according to the memoirs of Trần Văn Trà. As