Ever since the American occupation of the Marianas, Iwo Jima, and Okinawa, the main Japanese islands had been under constant bombardment by long-range bombers of the United States. The city of Tokyo and many other cities on the Japanese mainland were leveled by day-and-night firebomb raids. As Italy and Germany had already done, Japan was…
di·gres·sion \ -ˈgre-shən \
1: the act or an instance of leaving the main subject in an extended written or verbal expression of thought : the act or an instance of digressing in a discourse or other usually organized literary work.
2: archaic : a going aside