What incident sparked the Kristallnacht? (Hint: it did not occur in Germany)

The Nazis used the murder of a low-level German diplomat in Paris by a 17-year-old Polish Jew as an excuse to carry out the Kristallnacht attacks

Explanation:

On November 7, 1938, Ernst vom Rath was shot outside the German embassy by Herschel Grynszpan/ Source:  https://www.history.com/this-day-in-history/nazis-launch-kristallnacht

the doctrine of nullification recommended that states living inside the union have the one-sided, inalienable ideal to void any law made by the national government that could be esteemed illegal.

the united states was shaped based on a general agreement among its individual states. hence, it is inferred that under the hypothesis of invalidation, since the states are the establishment of the union, they have the ability to referee and disprove unlawful laws.

a woodchuck would chuck 12.5 wood : 3