What happend to the Soviet Union during world war 2?

Th Soviet Union were first on the side of the axis powers. Then, they changed sides. after Hitler invaded the USSR. Later on in the war, Soviet Union had broke through the forces of Germany, and were fighting in Berlin (Germany's capital). They were one step away from reaching victory over Germany. After Hitler heard the news, he committed suicide. Later, the Soviet Union had captured the capital, and Germany had been defeated. At the end of the entire war, the Soviet Union had one of the strongest armies in the world. These are important roles the Soviet Union had played during the war.

The Soviet Union suffered huge losses in troops, civilians and property. It took them a number of years to recover.