The net effect of the opinions delivered by the Marshall Court was that the Supreme Court became much more powerful--on par with the legislative and executive branches, which proves that Marshall believed that government should be limited with checks and balances.
Take off D; the North had won some battles up to that point. Rip off A; the South would never let go of slavery. Take off B, since the Union had some wins already. You can now clearly see where the answer is.
The simularity between the two industrial revolutions is that they both involved an increase in the degree to which machines were being used to do tasks that had once been done in other ways
