The development of soccer and how it be the most popular sports in this world

Someone said European invented soccer, someone said Asian invented soccer,no one can figure out this question, this is no records. The first record is British invented soccer ,they proposed a game about soccer firstly in 12 century. They made a rule, the rule is called Cambridge Rule. It stipulated 11 players on the field, and it includes one goalkeeper.
There are 11 players on the field and it includes Forwards, Midfield and defense. Those are the most important positions.
At the beginning of soccer ,it is very simple, but the soccer in 20 century is polluted by commercial.