<h2>answer is:</h2><h2><em>
German princes picked the king weak royal authority, so states of Germany didn't unify during the middle ages.
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Answer:
Accused of blasphemy at his trial, he made a speech denouncing the Jewish authorities who were sitting in judgment on him and was then stoned to death. His martyrdom was witnessed by Saul of Tarsus, also known as Paul, a Pharisee and Roman citizen who would later become a Christian apostle.
Explanation:
The catholic church wanted to share power with the emperor, so the coronation was an occasion to say in a very public way that the right to make a person king was in the hand of the church, thus making the church itself a very powerful entity who could in fact play a crucial role in the balance power of the period, as it was in many occasion.