E ui lava na iloa e le US le PAVN / Viet Cong nofoaga faʻasao i Kemupotia talu mai le 1966, ae na filifili le Peresetene Lyndon B. Johnson e aua le osofaʻia i latou ona o ono ono faʻalavelave faʻavaomalo ma lona talitonuga e mafai ona talitonuina Sihanouk e suia ana faiga faʻavae. Ae ui i lea, na faʻatagaina e Johnson le au suʻesuʻe o le maualuga faʻavasegaina Military Assistance Command, Vietnam Studies and Observations Group (SOG) e ulufale i Kemupotia ma aoina faʻamatalaga i luga o nofoaga autu i le 1967. O le palota a Richard M. Nixon i le 1968 ma le faʻalauiloaina o ana faiga faʻavae o le faʻasolosolo o le US toʻesea mai Saute Vietnam ma le Vietnamization o le feteʻenaʻiga iina, na suia mea uma. Fesili: O anafea na filifilia ai Nixon?
Tausaga 1968