Question

auto = "self"
crat/cracy = "rule"
dem = "people"

Which sentence uses the underlined word correctly?

As the sole decision maker, the CEO considered himself the democratic leader of his company.
Since the leader consolidated all the power for his own use, the country is now essentially an autocracy.
The solitary queen ruled the democracy with an iron fist and allowed no interference with her decisions.
The autocratic government was particularly popular for its habit of implementing citizens’ suggestions.

Answer 1

Sentence 2.

"Autocracy" (auto = self, -cracy = rule) means rule by one person; a leader who consolidates all power creates an autocracy.