Why did the north wanted to pass the wilmot proviso bill into law?
a.
the bill would allow northern businessmen to take advantage of the natural resources in the newly acquired territories.
b.
the bill would give an economic benefit to northern slave owners, who could build bigger farms in new territories.
c.
the bill would increase the number of free states, which would increase their representation in congress.
d.
the bill would the north gain new markets for its manufacturing industry.

so i think it is C.( The bill would increase the number of free states, which would increase their representation in Congress.)

Explanation:

The Wilmot Proviso is a bill that would stop the expansion of slavery within the newly conquered areas won from the Mexican War. This would mean that they wanted to stop slavery from spreading in newly conquered area in order to make slavery abolished in America.

d.)   when the us left nato after the end of the cold war and they had to evolve to focus on more humanitarian measures with the smaller budget