What historical role of the Poodle contributes the celebrated intelligence to the Yorkie Poo?

Answer

Being developed as water retrievers

Despite their modern appearance, Poodles were originally developed to work in the water as retrievers, which contributes the renowned intelligence and trainability to the mix.

What historical role of the Poodle contributes the celebrated intelligence to the Yorkie Poo?
DogancestryhybridbreedYorkiepoo