You don’t learn citizenship by studying eight tidy little pillars. It doesn’t happen with an assembly, a poster or, worse still, a chapter-long study with reading comprehension questions at the end.
If you’re going for “comprehension,” it has to be an experience. It happens when you see injustice, when you discover empathy, when you experience democracy and when you ask questions.
A textbook chapter on “democracy in action” is an endorsement of “democracy inaction.”