3. Which of the following most closely describes the main idea of the article?(1 point)ResponsesThe European cities that have the happiest citizens and what they do to achieve thatThe European cities that have the happiest citizens and what they do to achieve thatCities around the world that are found to be most sustainable and what they do to achieve that statusCities around the world that are found to be most sustainable and what they do to achieve that statusHow the largest cities in the world handle overpopulationHow the largest cities in the world handle overpopulationThe safest cities in the world and how they achieved that status
