For Decades a Considerable Number of Atlantic Coast Citizens Made

For decades a considerable number of Atlantic coast citizens made their living fishing cod.But in 1992,this way of life came to an abrupt halt.Why?

A) The market demand for cod had dwindled to the point where it was no longer a profitable business.
B) Advanced technologies used in cod fishing endeavours had become too expensive.
C) The federal government imposed a moratorium on cod fishing.
D) The vast majority of younger residents left in order to make higher wages in the Alberta oil industry.