<prompt> Qedela umusho olandelayo: Ukukhiqizwa kwezolimo, okuwumgogodla weqhinga eliyinhloko lokuthuthukiswa kweVietnam lollies, kwahluka kakhulu unyaka nonyaka kulandela  <response>: ukuhlanganiswa kabusha kwesizwe ngo-1975. Ukusebenza kahle kakhulu kwezolimo kwaqoshwa ngo-1976 - ukwanda okungaphezu kwamaphesenti ayi-10 kusukela ngo-1975. Nokho, ukukhiqizwa kwabuyela emuva cishe kumaphesenti angu-95 ezinga lika-1976 ngo-1977 nango-1978, futhi kwavuseleleka kwafinyelela ezingeni eliphakeme kunalelo lika-1976 ngo-1979 kuphela. 