If you will read Germn history in the ‘30’s and early ‘40’s you will learn that Hitler was convinced that once he thought he was strong enough Stalin would attack Germany.They were both stalling for time. That was what the Non Agression Treaty and Trade agreenents were for. Hitler kinda jumped the gun when he attacked Poland, then Stalin attacked Poland to keep a buffer between him and Hitler.Then Hitler got nervious and attacked stalin. The attack caught Stalin and most of Germany by surprise. Both sides had train loads of goods enroute to each other.
"Show me just what Mohammed brought that was new, and there you will find things only evil and inhuman, such as his command to spread by the sword the faith he preached." - Manuel II Palelologus