What they have in common is that both actions require consent of the senate. The senate has to vote with a majority for those things to come into effect.
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Maybe the most understood and enduring bit of Constantine's political portfolio is the 325 Chamber of Nicaea, a social occasion of around 300 clerics issuing an official articulation confirming Jesus Christ as totally celestial. This announcement of confidence is known as the forerunner to today's still popular Nicene Statement of faith. Indeed, Constantine put his political weight behind this belief, and the world still feels his impact. For example, I live in a somewhat residential community, yet I wouldn't need to go extremely far on a Sunday morning before I'd keep running into a Christian church showing the Nicene Statement of faith or citing it as an assemblage.
Answer:
Choice C
Explanation:
The other three choices would be related most to a primary document- from the viewpoint of someone who was present or witnessed the event itself. Secondary choices (like a textbook on WWII) present the viewpoints of someone who has studies primary sources to reach a set of conclusions.