Answer: be d all of the above
Explanation:
The primary concern was related to the number of congressmen from free and slave states. If Missouri was admitted into the Union as a slave state, the congress would have more Southerners than Northerners in the congress which would be bad for slaves everywhere. Northerners therefore asked that if Missouri enters as a slave state, Maine has to be separated and enter as a free state.<span />
<span>For the answer to the question above, the main actions between the main adversaries, for which the world should be grateful for, was that an all out nuclear war did not happen.
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