Historians of the American Revolution had always seen the struggle for independence either as a conflict sparked by heavyweight ideology, or as a war between opposing social groups acting out of self-interest.

In The Ideological Origins of the American Revolution, Bernard Bailyn begged to differ, re-examining familiar evidence to establish new connections that in turn allowed him to generate fresh explanations. His influential reconceptualizing of the underlying reasons for America's independence drive focused instead on pamphleteering – and specifically on the actions...