Quick Quiz: Nouns Score: Change category, Flip order Reset Incorrect! Try again. Definition: a prolonged war (1954-1975) between the communist armies of North Vietnam who were supported by the Chinese and the non-communist armies of South Vietnam supported by the US Your choice? vigna sesquipedalis vilna vietnam war vinblastine  (Definition: an antineoplastic drug (trade name Velban) that disrupts cell division)