autocracy
It is called an autocracy.
Yes
Haiti has a semi-presidential republic form of government, so their "ruler" would be the president.
An absolute monarchy is designed as such.
dictatorship
A dictatorship.
The Fertile Crescent maintained a government based on theocracy. In a theocracy, a deity is recognized as the ruler of the government.
monarchy is correct ding ding ding
monarchy
Ancient Greece was not a unified country with a single government; every city had its own government, and every city also had its own form of government, and its own method of choosing a ruler.
Autocracy (a form of despotism)
An absolute ruler in the empire under the republic form of government was a dictator. Under the principate the "emperor"was the absolute ruler at all times.