If the country is to survive as a democracy it will depend on voters who understand how our political institutions have evolved and the events that went into their creation. A nation's sense of its history is indistinguishable from its social cohesion.
History, well taught, is the demythologising of the past... Take any important issue of our time - Northern Ireland, Nuclear Disarmament, Race, The Welfare State, South Africa - and it becomes impossible to seriously confront any of them without understanding their historical background.
No one understood better than Stalin that the true object of propaganda is neither to convince nor even to persuade, but to produce a uniform pattern of public utterance in which the first trace of unorthodox thought immediately reveals itself as a jarring dissonance.