I would say growing crops and grazing/ranching animals.
Export farming uses so much land for cash crops that South America has to import food for its own people to eat.
The Netherlands uses dikes to preserve land.
The South American country that uses dikes to preserve land is Suriname. Other countries use dikes to preserve land as well, but Suriname is the most famous.
agriculture
As far as I know there is no country in South America which has the Euro as its currency.
SURINAME
Ginseng is primarily native to East Asia and North America, particularly species like Panax ginseng and Panax quinquefolius. While there are some plants in South America with similar names or uses, true ginseng is not naturally found in that region. Instead, South America has its own indigenous herbal plants with medicinal properties, such as ashwagandha and maca.
the prehensile-tailed porcupine does. It lives in the forests of Central and South America.
Haridwar is musty
they use it for the plants.
Lumber is the main one it is cold there so there aren't many uses of land that's why they had many factories.
Indian tribes in south America uses it as weapon (diping their spikes in it).