Answer:
1.) The prime minister or president
2.) Monarch
3.) Prime Minister and Government
4.) A positive of democracy is that we are a country ruled by the people. The bad thing is that there are many corrupt people. A positive of Theocracy is that it keeps people united. A negative of theocracy is that if someone doesn't agree with something, they could be punished. Based on the laws of some Monarchies, it could potentially reduce corruption, although corruption, in general, is bad, so it is a positive and negative.
5.) Israel - Democratic, Iran - Theocracy, Saudi Arabia - Monarchy
Explanation: