Demographics

Cassava is a woody shrub native to South America. For people living in drought-prone tropical regions, it is a godsend: delicious, calorie-dense, and highly productive. The indigenous peoples of the Americas who first cultivated cassava are reliant on it and have developed an arduous, days-long process of preparation that involves scraping, grating, washing, and boiling the plant before it is eaten. At the beginning of the 17th century, the Portuguese introduced cassava to the Old World. But they did not import the ancient methods of processing, assuming that indigenous people were wasting their time. Progress swats away benevolent traditions because the usefulness of traditions can be subtle and hard to