The Staple Theory of Economic Growth, Developed by Harold Innis

The staple theory of economic growth, developed by Harold Innis, can be best described by which of the following propositions?

A) Countries should develop one or two strategic resources for international trade.
B) The development of staple products helps support multiple sectors of the economy.
C) Regions or countries should develop staple products for domestic consumption.
D) Dependence on one resource or product for export can makes regions or countries vulnerable in world markets.