What is the best definition of a superpower

Superpower, a state that possesses military or economic might, or both, and general influence vastly superior to that of other states. Scholars generally agree on which state is the foremost or unique superpower—for instance, the United Kingdom during the Victorian era and the United States during and immediately after World War II—but often disagree on the criteria that distinguish a superpower from other major powers and, accordingly, on which other states if any should be called superpowers.

Explanation:

the social contract theory

what are the choices?