You can't easily radically extend or replicate the western front. The material cost is psychotic and only accelerates until one side gains material superiority, which forces a breakthrough and general military collapse.
The resemblance is more aesthetic then material.
The confederacy striking blows against colonialism is pretty amusing, even if it's out weakness as much as it is strength. It's a pity they're unlikely to blunder a small army into the united provinces. Nice use of John S. Mosby imo.
Strategic Bombing is incredibly difficult and resource intensive. Bringing enough ordinance to destroy brute force an economy is neigh impractical and destroying key targets (Railway Junctions, Production Bottlenecks) relies on either luck or (more likely) contrivance.
Some info on Joan
It is post #1454.
I mean Svalbard seems to fulfill every condition needed to make it devastating. Lots of vulnerable people and animals living in close, unhygienic quarters. Given the description it is very virulent, with a significant morality rate, while its spread is a hit...