What did Charlemagne do to ensure his power as King?

“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:

photos creat an ovveral image of the civil war

c) troops march forward in close formation against newer, more accurate weapons