Russia will win because they may not be as technological as the US are but they are braver and they can rally millions of civillians and turn them into milita within a small amount of time and use them to shatter the more technological US army in one swift blow
Russia will win because they may not be as technological as the US are but they are braver and they can rally millions of civillians and turn them into milita within a small amount of time and use them to shatter the more technological US army in one swift blow