Ninjas originated in Japan during the feudal era. They were covert agents skilled in espionage, sabotage, and guerrilla warfare. So, ninjas are Japanese, not Chinese.
Peter Grose has written: 'Operation Rollback' -- subject(s): American Espionage, Cold War, Espionage, American, Foreign relations, History, Sabotage, Soviet Union, Subversive activities, United States
Ostensibly , the 'rationale' behind the illegal incarceration of American citizens of Japanese descent was to insure internal security against sabotage .
They were trained to make it to where their existence was unknown so as a result their origin isn't completely known but what is known is that they had an important role in sabotage and espionage though they were also "known" for their assassination skills.
"Covert Operations" - More often than not resulting in Death.
Sabotage, Espionage, Subversion and Terrorism
Espionage is also called spying or sabotage but it basically is spying on another country or another company to learn their trade and national secrets.
True
The Supreme Court decided that with the West Coast vulnerable to attack by Japan, the president was within his rights to declare the people of Japanese ancestry might pose a threat to internal security; thus the relocation order was upheld. Even though: No Japanese American was ever found guilty of espionage or sabotage.
There was concern that they would support the Japanese war effort. Fears of espionage and sabotage were running wild after the surprise attack on Pearl Harbor. The government believed that internment camps were the way to protect the population.
The SOE was the Special Operations Executive; a sabotage, espionage and assassination unit for England
The Supreme Court upheld the internment of Japanese Americans during World War II in the Korematsu v. United States case due to perceived military necessity and national security concerns. The decision was largely influenced by fears of espionage and potential sabotage by Japanese Americans on the West Coast.