What you describe are two events that could cause your dog to be anxious, but I suspect it is the move that has caused the most anxiety. Anxiety is often at the root of house breaking lapses. I would advise two things: go back to house training 101. Your dog may not realize that the rules are the same in this new place that looks so different and unfamiliar (and perhaps scary). Secondly, get a copy of Patricia McConnell's "I'll be Home Soon" and follow the protocol for avoiding separation anxiety.
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