WORLD HISTORY

Detailed explanation-1: -A city-state, or polis, was the community structure of ancient Greece. Each city-state was organized with an urban center and the surrounding countryside. Characteristics of the city in a polis were outer walls for protection, as well as a public space that included temples and government buildings.

Detailed explanation-2: -The agora was the center of the athletic, artistic, business, social, spiritual, and political life in the city. The Ancient Agora of Athens is the best-known example.

Detailed explanation-3: -city-state, a political system consisting of an independent city having sovereignty over contiguous territory and serving as a centre and leader of political, economic, and cultural life.

Detailed explanation-4: -Nowadays, we have Singapore, Monaco, and the Vatican as the modern independent city-states; whereas cities such as Hong Kong, Macau, and Dubai are autonomous cities-independently functioning with their own governments but are still part of larger nations.

Detailed explanation-5: -The ancient empires of Rome, Carthage, Athens, and Sparta are considered early examples of city-states. Once numerous, today there are few true city-states. They are small in size and dependent on trade and tourism. The only three agreed upon city-states today are Monaco, Singapore, and Vatican City.