Prior to WWII,what Factor Limited the Development of Large-Scale Industry

Prior to WWII,what factor limited the development of large-scale industry in the Pacific Northwest?

A) The lack of power plants prevented the expansion needed.
B) With the lack of population on the Pacific Northwest,there was no demand for finished goods.
C) Its isolation from the rest of North America and difficulty of transporting goods.
D) With the adult U.S.population depleted in the Pacific Northwest after WWI,there was a lack of workers available.