What was a major cause of the panic of 1819?
a. too many new factories opening and hiring farm workers
b. banks calling in loans they had made to farmers and businesses
c. high demand for american products in european countries
d. a demand for soldiers and sailors to increase america's armed forces
apex!

B.

Explanation:

Banks throughout the country failed which caused mortgages to foreclose and forced people out of their homes and farms.

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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