Blame as the driving force during World War II, is a widely known orthodox perspective. Especially directly after World War II, Nazi Germany was held to blame for starting the war. Orthodox historians cited several reasons for this. Germany was the one who initially invaded Poland against the recommendation of the allies, and also attacked the Soviet Union. Also, the system of alliances between the Axis Powers was one that was only meant for war. The Tripartite Pact stated that if any country declared war on one of the Axis countries, the other two would also declare war on those countries. Another reason, historians saw, is that the policies of Hitler were overly aggressive; not only did Hitler preach war with France and the Soviet Union, but he followed a careful pre-made plan of expansionism. Additionally, the events that took place in unveiling of the war such as the Remilitarization of the Rhineland, Anschluss, and the German involvement during the Spanish Civil War, showed that Hitler was anticipating the possibility of war and intentionally gearing up for it.