Your city is divided up by various factions. These factions have bases around the city, and nearby buildings will be protection racketeered, giving them a source of income. One way to grow your wealth and influence in the city is to conquer these factions through warfare and diplomacy.
Video
https://www.youtube.com/watch?v=TOkzzSH0vSw
Full Article
http://www.indiedb.com/games/voxel-turf/news/watch-dev-diary-7-urban-grand-strategy
