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
Comparison of Canadian football and rugby union is not permitted in rugby union and would be considered 'obstruction', resulting in a penalty. A touchdown is the Canadian equivalent of a try. Unlike Canadian football, both codes of rugby require the ball to be grounded, whereas in Canadian football it is sufficient for the ball to enter the end zone (in-goal area) when in the possession of a player (making the term "touchdown" a misnomer). In Canadian football a touchdown scores 6 points; in rugby union a try is worth 5 points. In both games, following a try / touchdown, there is the opportunity to score additional points