Hull FC and Hull KR.
two teams of 15 players
Scotland & England
Yes, the noun 'rugby' is a common noun; a general word for a game or sport played by two teams.
Dallas Cowboys & Detroit Lions
Ireland has many rugby teams. However, what you are probably referring to is why there is not a Republic of Ireland and a Northern Ireland team. The reason is that, like many sports in Ireland, rugby is played on an all-Ireland basis and there one organisation that looks after it, the Irish Rugby Football Union, and so there is one international team.
27 - Two teams of 13 each plus the Referee.
These two teams have never met in a match to decide on a winner of the Rugby World Cup
The Wallabies are the Australian Rugby Union team. The Australian Rugby League team is called the Kangaroos.
Hull Kingston Rovers and whoever they are playing against ;-)
The two mainland, state capitals that are closest together are Providence, Rhode Island and Boston, Massachusetts. The distance between the two is about 50 miles.
Yes you can play for two regional clubs or more but you can't play for two international teams
There are two crusader teams. One are the rugby league side Celtic crusaders and one is the union side from Canterbury in the South Island of New Zealand.