Why did slums grow so rapidly from the 1950s on? What role do governments play i

Why did slums grow so rapidly from the 1950s on?
What role do governments play in relation to the slums? What role do you think they should play?
How did chicha articulate urban, Andean migrant, and youth identity?
What culture developed around chicha (i.e., events, dissemination, social role)?
How is chicha music a soundtrack of rural to urban migration? What generation does it most resonate with and why?
What kind of a culture is created around baile-funk and/or punk rock in Mexico City? How does the audience participate in these musics?