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:

would not cooperate with each other voluntarily.

i think the answer is: cuba wanted to be independent from spain, and the u.s. wanted to end spanish rule in the west.

hope i

-lavira : )