Original sentence: , including citizens of Japanese descent and was a factor in the subsequent Japanese internment in the western United States.Perceptions of treachery in the attack before a declaration of war sparked fears of sabotage or espionage by Japanese sympathizers residing in the U
Edited sentence: The treacherous nature of attacking before a declaration of war sparked fears of sabotage or espionage by Japanese sympathizers residing in the United States, including citizens of Japanese descent and was a factor in the subsequent Japanese internment in the western part of the country and elsewhere