Rafa Benitez admits Newcastle's protracted takeover impacted his decision to leave the club.
The Spaniard, who has left St. James' Park following the expiration of his contract, also criticised the club's current ownership for failing to live up to promises.
"It was a big problem," he said. "In terms of my decision, I was waiting and I was asking for clarity and, like the fans, we didn't know.
"Eventually, you have to decide. I could not continue in the same way, because I couldn't see how to progress. It had to be clear to me — who was the owner, what would they do — and it wasn't clear at any time.'"
He added: "When I came to Newcastle, they gave me the plans for the new training ground, I was talking to the architect about changing a few things.
"And after three years... they painted the walls.
"If you want to attract players, it's about the facilities, the contract, the city, the way you treat them, the way you treat the agents.
"If you want to keep them happy, you keep improving. If you want to have a good atmosphere, a real bond, you have to give players the right facilities for when they hang around together. We had that at a lot of clubs. It's just the way."
