Answer:
Single-member district
Step-by-step explanation:
Single-member district is a method of election in which the constituent is taken from one single district alone and tasked to represent any other smaller districts. (in this case, it would Northeast city).
Commonly, this type of method of election is implemented if one particular of district in city has significantly more influence compared to other district. For example, that district could held the majority of high paying jobs in the city and contribute the most to the economy.