The name that refers to one's responsibility to ensure the prosperity of the city is "Civic Duty". This term represents the obligations and responsibilities of citizens to actively participate in the well-being and growth of their community. To find the answer to this question, you can either have prior knowledge about the concept of civic duty or you can conduct a search using a reliable search engine or reference materials such as textbooks or encyclopedias. By searching for the term "responsibility to ensure prosperity of the city" or related keywords, you can find relevant information that will lead you to the answer. It's always important to validate the information from multiple sources to ensure accuracy.
