Please help. How was the Northern approach to slavery different before the 1850s?

A
Northerners openly supported slavery while they objected to slavery by the 1850s.
B
Northerners spoke rarely about slavery while it became the main topic of debate in the 1850s.
C
Northerners believed in economic growth, so they continued to profit off of slave labor in the 1850s.
D
Northerners objected to slavery due to moral reasons, but they protested the expansion of slavery for political reasons in the 1850s.

c.it was a major banking and commerce center.

d.leonardo da vinci

d. to fix corruption and problems in the catholic church

d. to reform the catholic church from within

a. human faces are presented in an idealized, spiritual manner.

buildings

explanation:

ya i know i wanna was a good night i wanna was a good night i love y’all bye is your address again call tomorrow morning i love ya bye hi hi i’m going crazy about going to the school and i don’t know if y’all want me or not going tomorrow and i’ll tell you what i’m doing and i’ll y’all with this i’m gonna was a really bad thing to say i don’t think i can but i’ll give ya my friend tomorrow night i love you and y’all so i don’t have a lot to say about you haha is this what time you should be home and i’ll give ya my number so i’m sorry i’ll call y’all bye love ya hey

it would be d). more resources must be obtained to attain that combination of goods and services