<prompt> Bhala okuqhubekayo kwalesi sigaba - Ngakho, uNixon noma owamlandela esikhundleni sakhe uGerald Ford akakwazanga ukugcwalisa izithembiso zakhe kuThieu. Ngesikhathi esifanayo, usizo lwaseSoviet Union eNorth Vietnam lwanda. Njengoba i - U.S. yayingasabandakanyeki kakhulu, kokubili i - U.S. neSoviet Union ayibange isayibona impi njengebalulekile ebudlelwaneni bayo. Ibhalansi yamandla yashintsha kakhulu yaba ngeyaseNyakatho yeVietnam, futhi iNyakatho yaqala ukuhlasela okukhulu kwezempi, i-Ho Chi Minh Campaign, ngokumelene neNingizimu eyagcina ngokuzinikela kweRiphabhulikhi yaseVietnam  <response>: emabuthweni e-PAVN ngo-April 30, 1975. 