He embarked on a mission to unite all Germanic peoples into one kingdom, and convert his subjects to Christianity. A skilled military strategist, he spent much of his reign engaged in warfare in order to accomplish his goals. In 800, Pope Leo III (750-816) crowned Charlemagne emperor of the Romans. In this role, he encouraged the Carolingian Renaissance, a cultural and intellectual revival in Europe
I'm pretty sure (1.) is A, and I know for a fact that (3.) is D because slavery was a regular practice between quarreling tribes. I have no clue what (2.) is. Best of luck.
Your answer would be, The following example of a Monetary Policy is, Letter Choice, (C), The Government lowers interest rates to make it cheaper for people, and businesses to borrow money.
Hope that helps!!!!! :) (Answer: Letter Choice (C).).