How would world war 2 have been different if Britain and France decided not to appease Hitler and Germany ?

Very likely Hitler would have not challenged the perceived might of France at that time (1938).

Explanation:

Hitler's schedule was to build up German might and go to war in 1943 - 44.

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.

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