I believe what you're looking for is economics, but I could be wrong.
Castner Cutthroat i think
Answer:the territoriality principle.
Explanation: The territoriality principle holds that a state has jurisdiction over all acts, whether criminal or not, committed on its territory and over everyone located on the territory of that state.
Answer:
Problems that are seen in population management of Nepal : There is low literacy rate in Nepal and male population is more than females in Nepal. Early marriages is also a factor that is affecting population management in Nepal. Lack of family planning is also a reason behind population increase in Nepal.