Why did Germany lose to the Soviet Union in World War II?

Reasons for Germany’s failure:

1. The primary reason was the weather. The weather in the Soviet Union turned cold, and fighting in extremely cold weather was unacceptable to German soldiers, and many soldiers froze to death. At 30 to 40 degrees below zero, even the gun bolt was frozen and couldn't be pulled at all.

2. Germany’s resources and industrial base are not as good as those of the Soviet Union. Although German tanks are better than the Soviet Union in terms of performance and firepower, Germany’s production speed is much slower than that of the Soviet Union. In the end, what matters is the country’s comprehensive strength. Whether it is population, natural resources, or industrial base, Germany cannot support its long-term war, especially fighting on two fronts at the same time.

3. The Soviet Union’s own troop mobilization capabilities. The system of "invisible divisions" was implemented in the Red Army in the early 1930s. It successfully saved the Soviet Union in World War II. This system is still used today. This system allowed the Soviet Union to rapidly expand its military strength. The process was very simple and reliable, and it did not consume any material resources. During the peace period of Jinzhong Window, each division commander had two deputies. One of them is the regular deputy division commander and the other has partial duties. He also has a secret position: commander of the Second Force Division. The division chief of staff (with the rank of colonel) also has two deputies, both lieutenant colonels. One of them also had a secret position: Chief of Staff of the Second Force Division. The same goes for every group. Each battalion has a battalion commander (lieutenant colonel) and a deputy battalion commander. The deputy battalion commander has a secret position: battalion commander of the second force. A new unit was formed soon.

Plan Barbarossa was the code name for Germany’s invasion of the Soviet Union in World War II. The plan was drafted and directed by Paulus, then the 1st Munitions Minister of the German Army General Staff, and was completed at the end of August 1940. Originally named "Project Otto", it was later changed to "Barbarossa" in December 1940. The entire battle began on June 22, 1941. The plan was to quickly conquer the western Soviet territories from Arkhangelsk in the north to Astrakhan in the south. "Barbarossa" comes from the nickname "Red Beard" (Barbarossa) of the Holy Roman Emperor Frederick I. In the first few months of the Jinzhong Window operation, the German army followed the blitz tactics that had previously achieved great success in Western Europe, swept across most of the Eastern European plains, and annihilated millions of Soviet Red Army troops with poor tactics, showing a brilliant display of The art of war, but was still thwarted in the Battle of Moscow, leading to the failure of Barbarossa's plan.