little bit closer to the door each day until it is moved to the door step outside. keep moving it out into the yard, or wherever you want him to "go potty" - be patient - it takes time to train a puppy. good for you for rescuing him!
i adopted a pit bull mix puppy, who is 1 a year old. she appears she might have been abused before i got her from the shelter. they did not tell me how or what was done to her. when i brought her home to my family i found that she is wakes up from naps startled, growls, and barks. she also 