When Alexius I Komnenoi implored the pope (Urban II) for help, he meant it to reconquer the lost Byzantine lands (and therefore return in to their de facto ruler, a.k.a., the Byzantines). Urban however, decided to merely use that as a façade in order to then invade the Muslims, and retake the holy land.
He also saw the wanted to unite Christianity as a whole (All the sects at the time, Orthodoxy, Catholicism, Paulicianism, Iconoclasts, etc. into a single conglomerate, fighting a common enemy.)
D: was made up of mostly states rights and pro slavery people
<span>This is very true. Ancient Greek pottery that has been found is often black and red. This is due to the iron found in the clay that was used to make the vessel caused it to appear red, then a black glaze was applied over the surface of the pottery.</span>
