How did hitler's ideas about germans being racially superior lead to the beginning of world war ii?

The philosophy of the Nazi  Party was based on eugenics, Nordic superiority and the notion that Aryans were a Master race. These ideas were used to justify the extermination of so-called inferior groups. It led to the Holocaust and WWII.

Explanation: Eugenics and racism were at the center of the NAzi project in Europe during WWII.

kennedy used a range of this to develop a 'flexible response' plan for any international crisis. “he also expanded the it was important, because it ordered the fall of khruschev.

they believed democracy was worth the fight