Answer:
3. The region becomes know as the Holy Roman Empire.
4. The Church's power grows.
5. Alliances are formed by several German nobles.
Step-by-step explanation:
Otto I popularly known as Otto the Great, was born on the 23rd of November, 912 and died on the 7th of May, 973. He was the duke of Saxony, German king on the 7th of August, 936 and Holy Roman emperor from 962 till 973. He was the most powerful Western European after Charlemagne.