Which of the following best describes what would have to change to transform an oligarchy into an autocracy?
A. An elite group would have to take control of the government.
B. A military republic would have to form.
C. A single individual would have to gain control from an elite few.
D. A majority of the people would have to win the right to vote.

C. A single individual would have to gain control from an elite few.

Explanation:

In order to change an oligarchy into an autocracy, a single individual would have to gain control from an elite few. Autocracy refers to a system of government in which one person with absolute power rule over the whole country. In autocracy, a high rank military general have absolute power because the whole military is present under it and he can maintain its control over th country with the use of military forces.