Why was germany successful in 1940, despite disadvantages in quality and quantity?

Germany was successful in 1940s despite disadvantages in quality and quantity because of the strategies of Adolf Hitler who was appointed the chancellor in 1933 of Germany.

Explanation:

Adolf Hitler with his hatred for Soviet Union and Communism was determined to win the war and break apart Soviet Union. Hitler's plan for an all-out assault on the Soviet Union. Adolf Hitler was able to defeat Soviet Union with his strong and confident army and his plan.

Adolf Hitler and his forces were sure that the Russian army was primitive and the people wanted liberation and an attack on Soviet Union would lead to victory.

the church governed the society after the empire fell.   constantine took charge of rome and ended the confusion which had over religion and made christianity as the only religion and that started ruling the roman empire. he also divided the empire into two and fortified the eastern part.   he ruled the eastern part.