I need help with a poem...

[Byker]

So I have to write this speech for stupid English class, about a poem. So I chose this poem because I thought it had to do with the the theme of violence, but I'm probably wrong.

I have a better poem --

All was well with the wrinkled old Dutchess
When trapped in the fiend's evil clutches.

'Til he turned on a light,
Took one look, said good night --

So she hit him with one of her crutches.

Kind of about violence, and easier to remember. I say, write your essay about that one.