Answer:
The country that these three elements describe:
*Emperor is head of state, prime minister is head of government
*Constitutional Monarchy
*Vote at 18
IS:
England
Explanation:
The Emperor in this case the queen is the head of state, nevertheless prime minister Boris Johnson is the head of government. It is a constitutional Monarchy because it was written by the nobles after a former emperor abused his power to demand taxes, and forces from them without consideration. Also, the age to vote is established to be 18 years old.
