In short , the sport as pursued in the different constituent countries shared a close family resemblance .
While there were both national and regional differences between organised track racing as practised in Britain and across its empire , there was nevertheless an underlying pattern common to all .
The sport as pursued in the different constituent countries shared a close family resemblance .
While there were both national and regional differences between organised track racing as practised in Britain and across its empire , there was nevertheless an underlying pattern common to all .