USA HISTORY

Detailed explanation-1: -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-2: -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-3: -Simply stated, a city-state is an independent country that exists completely within the borders of a single city. Originating in late 19th century England, the term has also been applied to the early world superpower cities such as ancient Rome, Carthage, Athens, and Sparta.

Detailed explanation-4: -A city-state is an independent city which has its own government, completely separate from nearby countries. Athens and Sparta were the most influential city states of Greece.

Detailed explanation-5: -A city-state, or a sovereign state, is essentially an entire country that is held within the confines of just one city. Looking back in history, Rome and Athens are examples of city-states that left their mark.