American football Definition, History, Leagues, Rules, & Facts

American football is the version of the sport of football that evolved from English rugby and soccer (association football). American football, played with 11 on each side, originated in North America, primarily in the United States, where it eventually became the country’s leading spectator sport.

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The history of football (soccer)

Football History and Rules. History American football resulted from several major divergences from rugby, most notably the rule changes instituted by. - ppt download

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American football, Definition, History, Leagues, Rules, & Facts

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American football, Definition, History, Leagues, Rules, & Facts

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