Real Cause of World War Two

The date of September 1, 1939, when Germany invaded Poland, is remembered as the date the war started. But little is remembered about the date Russia also moved into Poland, on September 16,1939. The nation of Poland was now divided between these two war-time allies.
It is interesting to notice what the responses of the major allied nations were to these two dates. When Germany entered the western portion of Poland, Britain and France declared war on Germany. But when Russia moved into eastern Poland, there was no war declaration by either nation.
The Soviets caused one of the tragic events of history after they occupied their portion of Poland. …