1. The rulers who came to power after Charlemagne failed to defend the empire.
2. Europe was threatened by Muslims, Magyars, and Vikings in the 9th and 10th centuries.
Answer:
Someone who eats at home alone instead of going to the movies with a friend
Explanation:
There is a proven link between somebody's food behavior and emotions.
Eating can be used as a form of coping with stress, giving a person rejected validation, making a person instantly happy.
In the example above, the person eating alone at home uses its food as a defense mechanism. The person has emotional issues, stemming from low self esteem and fear of rejection. Instead of dealing with these issues by addressing them directly, the person hides away and finds comfort in food. The consumed food is seen as something nice done to them, the person associate the food with the feeling of being well liked and feeling accepted.
I think that the agriculture revolution led to the other three