How do governments gather support for a war effort on the home front

Once the plague became airborne, how could it then be spread?

The establishment of columbia as the state capital was important because a) it was located in the heart of the upcountry. b) it was located in the heart of the low-country. c) it was already established as a vital industrial center. d) it represented a compromise location central to most citizens.

Why must governments be able to compromise?