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Soccer is one of the most popular sports in our modern world. But many years ago, each country had its own kind of soccer game with its own hales. In 1863, a group of people met in England. They made some changes (改变) to the game. They made one set of new rules for every country to follow. After that, soccer teams from different countries could play against each other. Some of the rules are still the same today. Now teams from all over the world take part in the World Cup every four years. It' s one of the most important things for all soccer fans. Soccer is the only popular sport in our modem world.