How do Slaves and Animals Compare?

Slave Trade - Animal Trade

The Trade. Rhyme made up by English eighteenth century slaves trade supporters*:

If our slave trade be gone
there's an end to our lives.
Beggars all we must be
our children and wives.

The slave trade was as deep rooted in world society as the animal trade today. The parallel mood is:

If our animal trade be gone
there's an end to our lives.
Beggars all we must be
our children and wives.

But now for all free people the animal slavery imperative is:

When the animal trade be gone
there'll be a spring in our lives.
Saviours all we shall be
to the world and our vibes.

 *Reference: Caryl Phillips. The Atlantic Sound. 3:2000.