1: Identification with one's own nation and support for its interests, especially to the exclusion or detriment of the interests of other nations.
2: The belief or desire of a government or people that a country should maintain a strong military capability and be prepared to use it aggressively to defend or promote national interests.
3: To protect themselves from other countries, mostly Germany, and prepare for attack.
4: Archduke Franz Ferdinand was a member of the imperial Hasburg dynasty in Austria-Hungary. When he and his wife were killed, Austria-Hungary declared war on Serbia which spiraled into WW1.
5: The "shot heard around the world" was the shot that assassinated Archduke Franz Ferdinand and his wife, Duchess Sophie. It basically started WW1.
6: It caused Austria-Hungary to declare war on Serbia because a group of Serbian assassins killed the Archduke and the Duchess.
Answer:
I don't understand what your asking
If the answer can be a matter of opinion, I'd say I think it's because some countries who were 'involved' in the Axis Powers were forced to be subject to Hitler's rule. So the ones who had hearts and cared about human life, attempted to help these victimized Jews rather than deporting them to their deaths.