Because they actually belonged to the feudal lord who let serfs work on his land in exchange for food while at the same time the serfs were offered protection in times of despair and need.
Answer:
power outages
Explanation:
Living in an urban area, I have frequent power outages myself. Population density would be more in the city areas like japan. Lack of personal time would be a personal problem. Shortage of water is mainly in places like africa.
It is complex language and homo sapiens.