Sudan have a Federal republic government. This is where the government and people have say in community votes/decisions.
The reason is because the land is mostly unlivable. When you look at the map there is not much bodies of water. Whenever an area is unpopulated the main reason is that it does not have suitable living circumstances including not having supplies like food, water or both.
The middle colonies had Pennsylvania and Maryland. Pennsylvania was built on Quaker value, and Maryland was a place of religious tolerance, saying that there was no set religion. New England colonies were probably mainly Christian or Catholic