Answer:
Charlemagne was able to Christianize all of Europe because his armies triumphantly gained military conquests throughout the region. Once Charlemagne conquered a new territory, he commanded that all of the conquered people convert to Christianity.
Explanation:
Charlemagne was able to changed the religion to Christianity of all the western and central parts of Europe. He set up one kingdom called the Holy Roman Empire.
Charlemagne was became the king of Romans and being crowned by the Pope Leo III in the year 800. He was very devoted towards the Christianity religion and do many efforts for saving the church and its people.
Charlemagne wanted to changed the religion of all the people belonged to Germanic tribe into the Christianity religion by united them into one kingdom. For that, he kept himself engaged in the military campaigns so that he could accomplished his mission. After becoming the emperor, he got the control of over many other tribes.
Therefore, the holy roman empire being created by Charlemagne after spreading Christianity.
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