I'd go for letter D) . But your teacher probably wants to hear letter A) or at least C)
Answer:
The bombing of Hiroshima and Nagasaki.
Explanation:
On August 8, the Soviet Union declared war on Japan and attacked the Japanese occupied Manchuria. After Japan agreed to surrender on August 14, 1945, American troops began to enter Japan. Japan officially surrendered to the United States, Great Britain, and the Soviet Union on September 2, 1945.
<h3> Hope it helps!</h3>
D. Japan took over control of Manchuria from Russia
I think is either A or B i hope this helps!:)