Why does Kennan believe the Soviet Union poses a threat to the United States?

herodotus taught this. herodotus was an ancient greek historian who was born in halicarnassus in the persian empire. he is known for having written the book the histories, a detailed record of his "inquiry" on the origins of the greco-persian wars.

yes.

explanation:

because it let the japanese know who had the upper hand in the war.