Central to the Nullification crisis during Jackson’s presidency, was the notion that "<span>c. States could nullify, and therefore not obey, any duly passed national law that they deemed objectionable or unconstitutional"</span>
they were interested in the fur trade more than anything else
Option 4: Montgomery Bus Boycotts
The South Christian Leadership Conference (SCLC) emerged during the wake of the bus boycotts in Montgomery, Alabama.
I would go with answer
B: They both relied on each other for goods and services.