not adding the indirect costs o pollution and potential health problems to the prices of energy and manufactured goods.
As a society we pollute water by throwing trash into rivers, drilling for oil, and by mining for coal.
The practice of slavery made the growing of cash crops profitable in the South. It was decades after slavery that mechanization made it extremely profitable again.
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The combination of the cotton gin and slave labor made cotton a profitable crop for plantation-style agriculture.
Tobacco farming made the English colony of Virginia profitable
Ranchers made the western cattle industry profitable. They did this by selling and raising cattle for food and agricultural purposes.
It was very profitable. It allowed the southern colonies to hold profitable tobacco planting. Off this staple crop, they made a lot of money.
the cotton gin
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cotton gin