With often squalid-housing conditions, and outsized addiction and suicide rates, he argues, how can tribal government think about wasting resources on a piece of land, regardless of its history?

BBC: To whom does Wounded Knee belong?

The story is very different on the smaller farms, where workers live off-site in their own often squalid and insecure housing.

ECONOMIST: Kenya's flower industry

To help get people out of the sprawling, squalid shanty towns it has built 2.7m low-cost homes, housing around 10m people.

ECONOMIST: South Africa's elections

So most of the Uraba refugees in the end will probably drift to the squalid and overcrowded shanty-towns of Colombia's big cities, already housing hundreds of thousands of people driven earlier from their homes.

ECONOMIST: Colombia��s unreported refugees

One is the establishment of virtual ghettos, be these either the tower-blocks of the suburbs, built from the 1950s onward with the noble intention of providing cheap housing for migrants and other new city-dwellers, or the squalid medieval centres of towns in the south such as Carpentras.

ECONOMIST: France's Muslims

"Housing first" was comparatively cheap, for one thing: a homeless shelter might look squalid, but it cost a great deal to operate -- more, oftentimes, than a proper apartment with kitchen and bath.

CNN: Fewer homeless, a Bush legacy