Which sentence describes an issue that caused sectionalism in the 1800s?

a
Some people favored higher tariffs, while others wanted tariffs to be lower.

b
Some people believed less federal government was better, while others believed states should have all the power.

c
Northerners wanted strict limits on government power, while most Southerners were in favor of more federal help.

d
Northerners wanted the country's economy to be based on agriculture, but Southerners wanted to include manufacturing.

The causes of sectionalism were economic differences, states right's, social differences, and the issue of slavery.

What choice does that match?