The correct answer for this question is this one: "2. appointed his own archbishops"
Pope gregory VII do to change the balance of power in the medieval period is that he appointed his own archbishops. In this way, he have to decide carefully.
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Hey There!
Your answer is 400 years!
If you need anymore help feel free to ask me!
Hope this helps!
Different map projections are necessary because they were created to address different situations. Cartographers are the professionals that elaborate map projections. They do it in order to have a visualization of the Earth Surface.
We can’t have just one map projection because there is non-single map that creates a perfect image of the Surface of the Earth. That is why cartographers need various maps to overcome the problem of distortion. It could be areas distortion or distances distortions. Different maps help to meet distinct needs.
Communist party leader needed to retreat