choose one of the three

Countries,cities, states.

Some nation elect a president, other(Countries, cities, state) have rulers instead.

Countries...Maybe?

i think it's countries

To understand the difference between countries, cities, and states in terms of their governance systems, we can break it down as follows:

1. Countries: Countries, also known as nations or sovereign states, are the highest level of political organization recognized internationally. They have their own government, law, and borders. Countries can have various types of governance systems, such as democratic republics, constitutional monarchies, or dictatorships. In some countries, the head of state is a president who is elected by the people, while in others, the ruler may be a monarch or a dictator.

2. Cities: Cities, on the other hand, are urban areas that are part of a larger administrative division, typically a state or a province. Cities are usually governed by a local administration, such as a city council or mayor, which is responsible for managing local affairs, infrastructure, and services within the city limits. The leadership position in a city is most commonly held by a mayor who is elected by the residents of the city.

3. States: States can refer to two different entities, depending on the context: political states or administrative states.

- Political States: In some countries, such as the United States, Australia, or Germany, the term "state" is used to refer to the constituent units that make up the country. These political states are semi-autonomous entities that have their own governments and laws, but they are still subordinate to the central national government. Each political state within the country may have its own governor, elected by the people of that state, who acts as the head of the state government.

- Administrative States: In other contexts, "states" can also refer to subdivisions within a larger country or region, such as in India or Brazil. These administrative states are smaller divisions established for administrative purposes and are typically governed by a chief minister or governor appointed by the central government. They are responsible for local governance within their respective boundaries.

In summary, countries have their own governments and can have presidents or rulers, cities have local administrations with mayors, and states can refer to either political states within a country or smaller administrative divisions. The specific governance systems and leadership roles vary based on the country and its political structures.