Answer:
Option C, Office in which power is conditional, depending on whether the political support that gives force to presidential leadership exists or can be developed, is the right answer.
Explanation:
A presidency is an authority or the executive, the common organisational and administrative body that exists around an appointment of the president of a nation. The presidency includes a large number of people including heads of staff, advisers and other officials. This term presidency is sometimes used to refer to the supervisory authority of some religious bodies, the manager of a non-governmental appointment of president in an organisation, company, charity, college or the institutional composition around them.