There was a widespread, mostly inaccurate perception in the West that Japan's incredible territory gains early in the war must have been due to fifth-column age

There was a widespread, mostly inaccurate perception in the West that Japan's incredible territory gains early in the war must have been due to fifth-column agents preparing the battleground. https://www.jstor.org/stable/30036444 https://www.jstor.org/stable/30036444