Economic power is and was important in every period of history
for defense
yes
Leaders or rulers of countries. Monarchs today have far less power generally, than they did in medieval times.
Because they had wings.
ask your mama
The Church and the nobility.
The men that held power in towns in medieval times were the bishops, priests, kings, queens, and the landlords.
they were plagues
he will wear dishrags
the power of knowledge
The same as it is now, without it you are dead.
The Holy Roman Emperor was the most powerful person.