Why does football have to be played when it is down it is vigorously promoted

Detailed rules of football
It is precisely because football requires a tenacious team spirit, which is of great help to military training, especially physical training, so this sport is also very popular in the army and is vigorously promoted. Therefore, football has won the reputation of "military football" in western countriesThe rules of American football
American football matches are played between two teams with a maximum of 53 players (NFL rules). Both sides send 11 players to play, and they can change some or all of the players at any time. The one who gets the ball control is the attacker, whose goal is to push the ball to the opponent's position as far as possible, and strive to cross the scoring line and enter the opponent's end zone to scoreWhat are the rules of football
If the ball lands before anyone receives it, it will be regarded as an unfinished pass. Grapple. The most common way to stop an attack in football is grappling - to push the ball bearer down with the ball. An attack is over when the player holding the ball is caught or forced out of the sidelineFootball rules
The kick-off rules of rugby football are: at the beginning of each half court, the kick-off team members make a fixed kick at the midpoint of the center line; After one side scores, the other side will kick at or behind the midpoint of the center line. The team member of the kick-off side must stand behind the ball, and the other team member must stand behind the 10 meter line in their own half courtThe basic rules of football
Rule: it takes 80 minutes to play an English football game. There are only two halves, with a 10 minute break between halves. Each team has 15 players, including 8 forwards and 7 defenders. Touchdown scoring is the highest scoring method in rugby: when the offensive team breaks into the defensive side, it will get a touchdown with the ball in the division, "touchdown" will get 5 pointsFootball problem
2. American football adopts the game method of round competition. The team holding the ball (the attacker) has four offensive opportunities to advance 10 yards forward (the end area of the defender). Each opportunity is called a "down" attack (i.e. the opportunity to be intercepted and put down by the other side)Football rules
3. American football ball is slightly smaller than English football. The ball is 11 to 11.5 inches long, the long axis of the ellipse is 28 to 28.5 inches, the short axis is 21.25 to 21.5 inches, and weighs 14 to 15 inches. 4. During the game, if the player brings the ball to the opponent's goal, he will touch the ground in the division and get 6 points; You can also play a set piece ball again, such as the set piece ball over the other side's goal crossbarWhat are the rules of football
The kick-off rules of rugby football are: at the beginning of each half court, the kick-off team members make a fixed kick at the midpoint of the center line; After one side scores, the other side will kick at or behind the midpoint of the center line. The team member of the kick-off party must stand behind the ball, and the team member of the other party must stand behind the 10 meter line in his own half, and the ball he plays must cross the 10 meter line of the other partyA few questions about football
2. The quarterback passes the ball out of the quarterback to protect the net to the catcher, or passes it inside the net to the running front to run out, etc. as long as the leopard is not captured, you can continue to run, which is an attack It is impossible to score. The American style seems to be the ball bearer. The ball is parallel to the front line of the touchdown area I used to play footballWhat are the rules of football? Ask for detailed explanation
The kick-off rules of rugby football are: at the beginning of each half court, the kick-off team members make a fixed kick at the midpoint of the center line; After one side scores, the other side will kick at or behind the midpoint of the center line. The player of the kick-off side must stand behind the ball, and the opponent must stand behind the 10 yard line of his own half court