This is false:
a.
Most new territory added to the Union after 1850 would likely be slave states, which made the North nervous.
Step-by-step explanation:
The balance of power that was between the north and south in terms of the total number of states that were being added was closely contented due to the nature of the government being as it is.
Thus, the nature of the shift had been seen and it had been overwhelmingly towards the North and not south as was given in the statement.
in fact, it was the other war around and the number of people and the states the north had was making the south nervous.