Lol,i didnt say breed with animals... just breeding farm animals...

Anyway a few more:

No curfew.

Dwarven forest becomes hunting ground for orcs

The fittest of the young are encouraged to join the army.

The smartest are encouraged to join the wizards guild.

The thieves guild recriut only from the poor or extremely rich.

The assassins guild becomes illegal punishable by death.

Every year their is a lottery when one member of rivellon gets treated like a king for 1 week if they win.

The dark forest becomes the main home for elves.

The surrounding mountians are given to the trolls who have built a straiway to acess the mountians and are integrated as a new main race into rivellon society.

The trolls build another stairway connecting the vast desert to the mountians where the imp folk like.