Answer:
The germans invaded the soviet union because Hitler felt he needed more power and the closest power was the soviet union.
Step-by-step explanation:
The german went to invade Russia thinking it was mid summer so they chose clothing that was appropriate for that time, but it was really mid winter, so that was one of the downfalls, the next was that Russias leader had more people to use against the germans and over powered them with their sheer numbers.