How Hilter was the central cause of world War II

Showing how Hilter was the central cause of world War II. main purpose of the source,  intented audience for source . author background and credibility.  author conclusions and Upon achieving power, Hitler smashed the nation’s democratic institutions and transformed Germany into a war state intent on conquering Europe for the benefit of the so-called Aryan race. His invasion of Poland on September 1, 1939, triggered the European phase of World War II. observations.