Harsh and extremely cold winter was the main geographical factor that added to German losses at Stalingrad.
Russia is well-known for its cold winters and many people from Western Europe even nowadays complain about severe weather conditions while visiting this country. Thus, this is not surprising, that cold weather became a serious obstacle on the way of Germans.
Answer: China has a very diverse geographical landscape and this impacted ancient civilization considerably.
Explanation: Chinese civilization started in the valleys of the Yellow River and the Yangtze River because of the fertile silt deposits there that facilitated agriculture and subsequently led to the rise of dynasties.