The answer that I came with was, had an interest in the success of Rome, since they could improve their status by demonstrating their loyalty to their conquerors. I just learned about this over the summer semester when I took western civilization. Roman is rich in history but then again I think all countries are. :)
The Spartan monarchy consisted of 2 kings which governed over Sparta ironically they had very little power over the government.
The bill of rights (1689) guaranteed parliamentary rights that needed to be respected by the monarchs. It meant, a constitutional monarchy, where the power of the monarchs was limited by the Bill of Rights that protected the authority of Parliament.
I think you may need to finish the rest of this question, or rephrase it, I'm happy to help either way.