The type of government in which one person holds supreme power

it can either be a Monarchy - a government in which the supreme power is lodged in the hands of a monarch who reigns over a state or territory, usually for life and by hereditary right; the monarch may be either a sole absolute ruler or a sovereign - such as a king, queen or prince - with constitutionally limited authority.

or a dictatorship were one person rules the whole place and that one person holds all supreme power

(e) a major consequence of the election was that several southern states