The Soviet Union and Mongolian People’s Republic toppled the Japanese puppet states of Manchukuo in Manchuria and Mengjiang in Inner Mongolia, as well as northern Korea, Karafuto on the island of Sakhalin, and the Kuril Islands. The defeat of Japan’s Kwantung Army helped bring about the Japanese surrender and the end of World War II. The Soviet entry into the war was a significant factor in the Japanese government’s decision to surrender unconditionally, as it was made apparent that the Soviet Union was not willing to act as a third party in negotiating an end to hostilities on conditional terms.
Not that the writing wasn’t on the wall for the Japanese thanks to the US efforts in the war, but that wasn’t enough for them to surrender just yet. It’s speculated that the Soviet entry may have been more important than the A-bomb in the end.
Literally from the Wikipedia link you listed:
Not that the writing wasn’t on the wall for the Japanese thanks to the US efforts in the war, but that wasn’t enough for them to surrender just yet. It’s speculated that the Soviet entry may have been more important than the A-bomb in the end.