Answer: B. keep the balance of power in the Senate between the slave states and free states.
Further detail:
The Missouri Compromise (1820) admitted Missouri into the Union as a slave state with Maine being added at the same time to keep the balance of slave and free states equal. It also prohibited any future slave states north of the latitude line 36 1/2 degrees north of the equator in territories of the Louisiana Purchase, with the exception of Missouri (north of that line) being admitted as a slave state.
Military growth.
The U.S. helped japan by building their economy and education back up but not their military, in fear of retaliation.
John Calvin was a famous French theologian and a major leader of the Protestant Reformation. He helped popularize the belief in the sovereignty of God in all areas of life, as well as the doctrine of predestination. The theological approach advanced by Calvin has come to be known as 'Calvinism.'
Your answer is the Massachusetts Bay Colony