Germany was the aggressor nation. The event described was the <u>siege of Leningrad</u>, part of Germany's World War II aggression against the Soviet Union. The siege lasted from September 1941 to January 1944, a total of 872 days. More than 1,000,000 Soviet civilians died during the siege. (German forces had finally weakened by then.)
Answer: A) re-deploying troops to naval bases in the Pacific.
The treaty of Versailles provided only a temporary armistice. It cannot be called peace just yet. The US troops in Europe are reluctant to be sent to the East. Most of them have earned the right to be sent back home. The conflict in the East requires more troops from the US. That;s why when WW1 ended, US struggled to fill the requirements in the Pacific.