How did the lack of centralized government and legal codes force early medieval kings, like Charlemagne, to rely on violence to maintain order?

It meant the people had to carry out violent revolts.

It meant the king was controlled by his knights, who wanted to fight,

It meant there were no legal codes, since no one made laws.

It meant there was no way to bring vassals under the king's control.

- "bill clinton ( the 42nd u.s. president, served in office from by low unemployment, declining crime rates and a budget surplus. during clinton's second term, the u.s. economy was healthy, unemployment was low and the nation experienced a major technology boom and the rise of the internet."

the first forms of writing came from them in the form of pictographs around 3100 bc.

answer is :

many churches split during the movement.

new religions grew in popularity.