What did charlemagne do to try to unify western europe after defeating the saxons?

Charlemagne forced the Saxons to convert to Christianity to try to unify western europe after defeating the saxons.

Charlemagne was King of the Franks from 768, King of the Lombards from 774, and Holy Roman Emperor from 800. He united much of western and central Europe during the Early Middle Ages. Charlemagne was also the first recognised emperor to rule from western Europe since the fall of the Western Roman Empire three centuries earlier

the legal limit for the drivers who can drive after consuming any amount of alcohol is 21 years.

explanation:

on november 1, 1996, a "zero tolerance law" was put into effect in the new york state.

according to this zero tolerance law, for people under the age of 21 years, it was illegal to purchase and possess alcohol or to drive after consuming any amount of it.

also, the alcohol involvement rate for the drivers under the age of 21 was roughly twice that of elderly drivers.