Which of the following best describes a nation-state?

a country that has well-defined borders and a government that is based on a shared common identity of all the people.

any group in the world where the people in the government have a shared identity as a nation

a place where there are clear physical boundaries and a well-structured government run by the people

a government that has been recognized by other countries admitted to membership in the UN

a country that has well-defined borders and a government that is based on a shared common identity of all the people.