Comparison of rugby league and rugby union Australian dual-code rugby international player, has said "Rugby [union] is very complicated and rugby league is much more simple in comparison". England's Chris Ashton, also a dual international, has said that union has "more of a tactical side, more that can happen in a game". Ireland's Tom Court has said "Rugby Union is a complex game with certain closed skills like scrummaging and line-out lifting and rugby league requires a higher level of fitness to compete at the highest level". The two forms of rugby share the same basic rules of the game and use a similar-shaped ovoid ball. The
History of rugby union in the United States goal from mark. The scoring systems have evolved in parallel, with both rugby union and American football offering three points for a kicked goal and seven points for a ball run into the end zone and a successfully kicked conversion. One factor aiding in rugby's growth in the early 1900s was American football's crisis of 1905–06, with President Teddy Roosevelt engaging in a debate about the future of American football in response to the perception that American football was a violent sport. The growth of rugby in the United States and particularly in California was aided by the 1905 New