B
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The conflict between Henry IV and Gregory VII Concerned the question of who got to appoint local church officials. Henry believe that, asking, he has the right to a point the bishop of the German church. This was known as lag investiture.
Hope that helped
The correct answer to this open question is the following.
Although no options are attached, we could say that the best primary source material about the works of Mohandas Gandhi should be their own writings. That is the characteristic of a primary source, the information was written by the character itself of people that directly witnessed the life or events. For instance, there is a book authored by Ronald Duncan, that collects a series of documents written by Gandhi. The name of the book is "Selected Writings of Mahatma Gandhi."
The answer is B. Three days
A ) he felt the treaties were fair and represented the majority of opinions within the Cherokee nation.
