What is american football?
American football is a an American sports.  Other countries use the term "football" to refer to soccer.  American football is a team sport and two opposing teams play against each other.  The objective of the game is to get a football to the end zone of the opponent.  If you can accomplish this you score a touchdown.  The ball moves down the field when players catch the ball, and run it opposite of their own end zone.  After they score they will get the opportunity to kick a field goal as well.