Answer:

Poor conditions from  the communists and propoganda from the nazis

Explanation:

Verified answer

[tex]\huge\boxed{\bf{Hello!\::)}}[/tex]

The main causes are these:  

• For the campaign against the Soviet Union, the Germans allotted almost 150 divisions containing a total of about 3,000,000 men.  

• Among these were 19 panzer divisions and in total the Barbarossa force had about 3000 tanks, 7000 artillery pieces and 2500 aircraft.  

• It was in effect the largest and most powerful invasion force in human history. The German's strength was further increased by more than 30 divisions of Finnish and Romanian troops.  

➥ I hope I have helped you, greetings!  

[tex]\red{\large{ \pmb{ \underline{ \underline{\bf{Atte:\ AlejandraAranibar}}}}}}[/tex]