Answer:
A theocracy is a government system that is ruled by a split government or by officials that are split-guided.
Countries that use the system include Saudi Arabia, Iran, and the Vatican.
Explanation:
Lithuania, Latvia and Estonia.
(I just pasted your question into Google, and got the answer)
No, there has never been a president of the United States that holds a medical degree, although there is one running right now in the Republican Party.