Concept:Indiscipline is behaviour that breaks rules and accepted values, such as truancy, drug abuse and disrespect.Solution:Public education (through schools, the media, NCCE, churches and mosques) teaches the youth good values, the dangers of bad behaviour and their responsibilities, so it reduces indiscipline.Health care does not change behaviour; giving the youth money or encouraging the desire for wealth can make indiscipline worse (get-rich-quick attitudes).Answer:Option D (public education)