Check this site for examples and homework while we're working
on Unit 3.
In Unit 3, we make the turn from reading,
summarizing, and analysis skills to composing our own original arguments.
In particular, Unit 3 teaches the Definition Argument, an argument about
the nature or state or something. The underlying rhetorical structure of
the Definition Argument can be expressed as follows: x is y because it
has features A, B, C, D, . . . .