The Soviet Union in the 1939 conquest is unprepared for the 3rd Reich's invasion of the east, but you have plenty of time to prepare a large army because the amount of resources you get. The Soviet Union has a extremely large army with very skilled generals, mostly artillery generals. The Soviet Union 'Russia' is obviously the largest country in the game and world by land mass. After World War II the Soviet Union developed their Asia-Pacific territory to counter the might of the Pacific Powers (the US and Japan), with the presence of Novosibirsk and Khabarovsk in the Russian Far East made the country extremely hard to breach from both east and west. Most of the Soviet military power is concentrated in the European part of it's territory due to the threat posed by the German Reich. As the largest country by area, the Soviet Union has the capability to launch a provocative massive ground attack or deadly ground retaliation force upon it's enemies. The Soviet Union is a principal member of the Allied Powers, the Union and is the the leader of the WTO. The Soviet Union is a Great Power in Europe and the Asia-Pacific, the USSR also has occupations in Africa and the Americas.

World conqueror 4 conquest 1943