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
China in the Vietnam War the revolution deeper into Southeast Asia via the Indochinese internationalist model. Then relations changes in the late 1960s, as the Cultural Revolution and Maoist visions of permanent revolutionary struggle ran up against important and extremely complex geostrategic differences in Vietnam in the war against the US. Nonetheless, the Chinese continued to supply massive amounts of military and economic aid, as well as sending over 300,000 military support troops into northern Vietnam. Internationalism did suffer a serious blow, plus the Sino-Soviet split, which brought damage to the relations between China, the Soviet Union and of course, Vietnam. Vietnam War: https://en.wikipedia.org/wiki/Vietnam_War First