Genetically modified (GM) food crops have inspired increasing controversy over the past decade. By the mid-1990s they were widely grown in the U.S., Canada, and Argentina, but precautionary regulations continue to limit their use elsewhere.

As a perusal of Colombia's economic history makes clear, agriculture has been central to the economy's generally satisfactory performance.

The most striking characteristic of Argentina's economic history in the twentieth century is the sharp decline in its growth performance.

Brazilian wheat policy as considered in this chapter consists of two relatively separate components: production policies and consumption policies.