In general, tribute and neutral rights affect shipping in that some ships and cargo holds must pay fines to dock in certain harbors, which discourages trade.
Totalitarian government is very controlling
Answer: retrograde motion
Retrograde motion is an apparent change in the movement of the planet through the sky. It isn't real in that the planet doesn't physically start moving backwards in its orbit. It just appears to do so because of the relative positions of the planet and Earth and how they're moving around the Sun.
The correct answer should be the constitution because nobody is above the constitution. There are rules there on how the government is chosen, how it is changed, how it is kept in check, and if something is unconstitutional it is banned instantly by courts, and the government can't do anything that goes against the constitution.