Answer:
Instead of paying the entire premium annually, the premium is divided by 12, and that amount is due each month. Even with monthly fee, paying a monthly installment is a better option for some people. It allows you to spread the cost of premium out over time as most people budget their money on monthly basis.
The European system of Manorialism is most closely associated with maintaining economic self sufficiency. Manorialism is actually considered a very essential element of the feudal system and society. It is also considered as the organizing principle of most rural economy. I hope this comes to your help.