I believe the answer is: B.The Byzantine emperor was considered to be the highest political and religious figure. In the Western Empire, the highest political and religious figures were two different people.
Even though it's true that the priests had a really huge influence in western politic, At that time period the highest political figures and religious figures still divided between the emperor and the High Priest. The priest's involvement in political stance limited only to being a direct advisory to the Emperor.
During the Crusades, VeneTan ships carried Crusaders east and brought back riches from these countries.
This led to the development of many trading centers that operate in trading various type of commodities internationally, which led to economic Growth all across Europe.<span />
<span>They fought for respect. They were tired of being treated like second-class citizens and wanted to create a chance for equal treatment. They moved to show that they had the same loyalty, patriotism, and worthiness as the whites did during this time.</span>
I would say that using the armed forces without a declaration of war would be unconstitutional because I believe that a declaration of war would require consultation with the representatives of the people rather than just being an apparently arbitrary decision.