What were the main factors that led to the emergence of commerce in medieval society? a) The demographic growth that increased the European consume...

What were the main factors that led to the emergence of commerce in medieval society?
a) The demographic growth that increased the European consumer market, the agricultural revolution, the development of the medieval city, and the opening of land and sea trade routes in the Mediterranean and the East.
b) The emergence of the Church as the main political force in medieval society, the creation of an extensive administrative apparatus from the Roman Curia, and the support given by the religious institution to the sovereigns of the time.
c) The political, social, and economic factors that resulted in large pilgrimage movements in search of the Holy Land, the emergence of the Church as the main political force in medieval society, and the opening of land and sea trade routes in the Mediterranean and the East.