It depends on the type of demography and what the government in particular is doing as a result. For instance, a government may recognize that an area of high agricultural practice may be a good place for setting up large scale import/export area of goods. However, depending on the government, some groups of people may be left unattended while other groups attract much more attention.
The correct option is C. The act led to violent conflicts between settlers in the Great Plains over the issue of expanding slavery to new territories. This one explains better the contribution of Kansas- nebraska
