What event did the british think would divide the colonies and shatter their morale?

They planned to invade upper New York by way of Lake Champlain and to proceed down the Hudson River to New York City.

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.