 Contested by 20 clubs, it operates on a system of promotion and relegation with the Campeonato Brasileiro Série B.Due to historical peculiarities and the large geographical size of the country, Brazil has a relatively short history of nationwide football competitions.Only in 1959, with the advancements in civil aviation and air transport and the need to appoint a Brazilian representative to the first edition of the Copa Libertadores was a nationwide tournament created, Taça Brasil.