Like the wall dividing the Yooks and Zooks.
Barrier
Yooks and Zooks do not mix.
Segregation
Zooks eat bread with the butter side down.
Idiosyncrasy
The kind of story that the Butter Battle Book is.
Allegory
Yooks and Zooks build larger weapons to control each other.
Intimidation
Yooks believe Zooks are terrible people for being different.
Prejudice
Yooks threatening the Zooks.
Gupp
Fight for the butter side up or die!
Ideology
What fans, marching bands and cheerleaders boost.
Morale
How to describe the creation of a world-destroying bomb.
Grim
