: The threat was considered so high that the 1942 Rose Bowl football game was moved from its traditional location in Pasadena, California, to Durham, North Carolina.

كاليفورنيا أثناء الحرب العالمية الثانية - المعرفة

: Most notably, this era saw the forced internment of Japanese American citizens and immigrants into camps due to fears of a "fifth column" of collaborators.

: New and used copies can be found at retailers like Amazon , AbeBooks , and eBay .

Following the December 7, 1941 attack, many Americans believed a Japanese invasion of the mainland was imminent. This led to several drastic measures:

: The military braced California, Oregon, and Washington for full-scale assaults, implementing blackouts and increasing military installations along the long coastline. Guide to the Resource

Based on the book by Bill Yenne, the U.S. response to the Pearl Harbor attack was a mix of intense battle preparedness and widespread paranoia along the West Coast. Summary of Preparedness & Paranoia