Charlemagne introduced administrative reforms throughout the lands he controlled, establishing key representatives in each region and holding a general assembly each year at his court at Aachen. He standardised weights, measures and customs dues, which helped improve commerce and initiated important legal reforms.
Explanation:
Commerce boomed One of the most important changes Charlemagne made was abandoning the gold standard and putting all of Europe on the same silver currency. Trade became easier and the continent prospered, aided by laws that took some power away from the nobles and let the peasantry participate in commerce.
