National organization of women
You could take for example the Latin American civilizations such as Aztecs or Maya which influenced post-medieval Europe by showing them new foods. Potatoes and Corn were discovered in the Americas which means that before the discovery of the Americas there were no Potatoes and Corn in Europe. How influential these two products are is seen in all European countries since the Potato is an essential vegetable in almost all European cuisines.
That would be true, because the slash/burn technique would reintroduce nutrients into the depleted soil.
