And with 90% of the population in peasant agriculture, most Bhutanese remain poor.

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Here, the queen would often dress in simple clothes and pretend to live as a peasant (a fact that did not endear her to the local population).

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Land-ownership is important in peasant societies, especially so in Zimbabwe, where the pressure of an exploding population is combined with a pattern of holdings not greatly changed from that inherited at independence, and memories endure of the tracts that were awarded by the colonial government to whites.

ECONOMIST: It will take more than crossed fingers to avert an explosion