It’s 3 oligarchy makes most sense
B
The problem was about discrimination and segregation
D I believe. Msg me if you still need help.
Answer:
A
Explanation:
You can cross out D because on their part, they were successful with the attack.
Cross out c because you cant infer that from the sentence you gave us.
And Cross out B because the attack was a surprise, and Japan never gave a warning.
So that leads to A.
