The correct answer is - A) subsistence farming.
Subsistence farming is the type of farming that is mostly practiced in the less developed countries. In here we have production that is just about enough for the needs of the country (and big portion of the production doesn't even come out on the home market, but you eat what you produce, or trade with someone you know). Also this type of farming is still based on primitive tools and is heavily dependant on the climate, and that makes it very unstable and more often than not people are starving because not enough food has been produced.
The actual paths of winds—and of ocean currents, which are pushed by wind—are partly a result of the Coriolis effect. ... The key to the Coriolis effectlies in the Earth's rotation. The Earth rotates faster at the Equator than itdoes at the poles. This is because the Earth is wider at theEquator.
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It can be war or eviction or obstruction
