Organized soccer with rules began in Britain where it is commonly called football. Rules were first established in 1863 by the English Football Association and the game is sometimes known as 'Association Football' to distinguish it from other football games like Rugby Football, American Football and Australian Rules Football. It is more commonly known as soccer in North America. It is a team sport played between two teams of eleven players, and is widely considered to be the most popular sport in the world. Football is played on a rectangular grass or artificial turf field, with a goal at each of the short ends. The object of the game is to score by maneuvering the ball with any part of the body, except a hand or forearm, into the opposing goal.