Rugby is un popular in the US because of the better marketed American Football which is also a contact sport.
There is no American Football around the world because it is not popular outside the US
American Football is what we play in the U.S.A. a.k.a. football or the NFL.
Because you play it with your foot that's why it's known as football outside of USA.
because no other country can be bothered to play American football Because no other country can compete with NFL teams in American Football. The same reason the World Series champion is called the "World Champion" (though, in the case of MLB, there is one team, the Toronto Blue Jays, outside of the US). Moreover, the title "National Champion" is used by the champion of COLLEGE football, and is thus unavailable for the champion of professional football.
neutrality
neutrality
In the USA you have American football and soccer.
This sport is known as American football.
it's an American sport but unlike baseball and basketball it is only popular in one country. the super bowl is big in the us, but once you go around 10 miles from the border, its popularity plummets.
American football
No, they are not. But they are the oldest franchise in the NFL's American Football Conference.