The development of profitable commercial farming resulted from?

Some recent commercial farming Tip on Aquaponic:
Question by chanl: The development of profitable commercial farming resulted from?
The development of profitable commercial farming resulted from




a.an accessible supply of low-cost labor.

b.the availability of excellent land and the revolution in marketing and advertising.

c.dramatic advances in agricultural technology.

d.the population boom on the East Coast, which created increased demand for farm goods.

e.significant increases in the

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