What role did the royal nobility, monasteries and bishops, noble feudal lords play in the development of the city?

Feudal nobility, kings and clergy played a large role in the development of cities. Thanks to merchants, commodity exchange took place in the cities. People could buy food from their own country and from neighboring countries at fairs. Peasants who worked for the landlords also came to town to sell. The power of the king united society. Spiritual life in the city was supported by the church and the clergy. Thanks to the nobility and privileged people, cultural centers and places of pastime existed in the cities.