If he manages to fulfil his dream on Saturday, Cook says he would like to defend his belt twice before moving up to the talent-rich super featherweight division, in which Filipino superstar Manny Pacquiao and Mexican greats Marco Antonio Barrera and Juan Manuel Marquez ply their trade.

BBC: SPORT | Boxing | Cook plays it cool

But sprawl changes the nature of the division between rich and poor, separating them physically.

ECONOMIST: Urban sprawl

Pixacao emerged in the 1980s in Sao Paulo, a sprawling city of 20 million people where the division between rich and poor is vast.

CNN: Wall art masquerades as class war

The division between rich and poor is a national problem.

FORBES: If I Were A Poor Black Kid

Rich Goldenberg of the state Division of Military and Naval Affairs.

WSJ: Police: NY man attacked Army officer at Wal-Mart

Williams became the first F1 team to float on the stock exchange in March 2011 and the team has a rich heritage in the elite division of motorsport.

CNN: SHARE THIS

Ever stronger trade links between rich and would-be rich countries will mean a reshuffle in the division of labour around the world, creating new jobs and destroying or displacing existing ones.

ECONOMIST: A game of catch-up

Andreas Schleicher, the OECD's special adviser on education, says a long-term characteristic of the UK's education system has been social division - with a polarisation between the results of rich and poor pupils.

BBC: UK weak in school fairness rankings

Robbie Bach, president of Microsoft's entertainment and devices division, said the number of cell phones that can receive rich media ads is going to triple in the next couple of years.

FORBES: Magazine Article

The Dallas Cowboys, New York Giants, Philadelphia Eagles and Washington Redskins have a rich history with a combined 19 Super Bowl appearances and 11 titles (both more than any other division).

FORBES: Eagles Looking Up At Division Rivals