https://www.youtube.com/watch?v=4dwjS_eI-lQ
So if foxes could be raised to be more sociable in 60 years, would it have also been possible to breed them to be more intelligent; and the fact that as animals become more friendly their appearances also change sort of lays an example as to how races are different (which were separated for much longer than 60 years), as in some are more intelligent and friendly, and that their appearance can be represented of that, and vice versa?