Answer:
Deem it unconstitutional or against their interests and nullify it
Step-by-step explanation:
He thought this way because this was during the time where the federal government was enforcing tariffs and the Southerner agriculutral workers were suffering because of this, while the manufacturers up North were being completely favored. He thought that this was unfair and wanted to uphold the principle of state rights so that all the workers could be treated equally, because the farmers were drowning in poverty and the manufacturers were just increasing their wealth.