 Tier two nations do not have a full-time professional domestic structure in place, but they are considered by WR to be the most promising countries in which to expand the sport.The Canadian national side have competed in every Rugby World Cup to date yet have only won one match each tournament, with the exception of the 1991 tournament where they reached the quarterfinals.Canada's main problems have included the climate, because many grounds are under snow/ice for significant portions of the year, leading to a split season.