The enemy

What were the first thoughts that entered the minds of Sadao and Hana when they discovered the wounded man who had got washed ashore ?

Where did Sadao receive his further education as a doctor and what did he specialize in ?

What were the reasons for Sadao being kept on in Japan and not being sent overseas with the troops ?

How did SacLao happen to meet his wife Hana and why did he not marry her in America ?

Why was Sadao's meeting with his future wife Hana almost like divine intervention ? Why did he delay marrying her ?

How does the writer indicate that Sadao's father was a very traditional and conventional man ?