The Northeast was the region most opposed to the statehood of Missouri as a slave state due to:
a) upsetting the balance of power in the Senate.
b)upsetting the Southern economic system with a land-locked state.
c)moral beliefs by the majority of the population against slavery.
d) the business growth of the Northeast was slowing.
A, Because the government had an equal amount of free/slave states which by adding Missouri as a slave state added Maine into the US as a free state to bring balance