You learned the dry-mouthed, fear-purged, purging ecstasy of battle and you fought that summer and that fall for all the poor in the world, against all tyranny, for all the things that you believed and for the new world you had been educated into.
There are no more uses of "tyranny" in the book.
Show samples from other sources
Boundless intemperance In nature is a tyranny; it hath been The untimely emptying of the happy throne, And fall of many kings.
William Shakespeare -- Macbeth
The history of the present King of Great Britain is a history of repeated injuries and usurpations, all having in direct object the establishment of an absolute Tyranny over these States.
Thomas Jefferson et al. -- The Declaration of Independence