    Sentence 1: The nuances of Vietnamese history, which  Mr Henn finds so fascinating, were as useful’ to. the  men who fought Ho Chi Minh's miltary machine as the facts  ‘of the Meiji Restoration to anyone who fought the Japanese  Empire in WWIL    Sentence 2: The nuances of Vietnam history were not useful to  the men who fought Ho Chi Minh’s military machine.    