How did the sloping back become so prevalent in the breed?
After the decade that ruined everything. I mean, it really ruined everything.
(Actually, it’s not really a “sloped back”, but the exaggerated stance with over-long legs and exaggerated angles. Most “Americans” have legs that are so long they don’t walk right, but seen in average stand or walk they don’t slope much. “Germans” have created, meanwhile, a horrid roach back that belongs only on running dogs such as greyhounds. All degenerated at the same time.)