Answer:
When the Turks then threatened to invade the Byzantine Empire and take Constantinople, Byzantine Emperor Alexius I made a special appeal to Urban for help. This was not the first appeal of its kind, but it came at an important time for Urban. Wanting to reinforce the power of the papacy, Urban seized the opportunity to unite Christian Europe under him as he fought to take back the Holy Land from the Turks.
Explanation:
Im not 100% sure but i think its A
Both talk about equality in one way or another
His armada was destroyed by winds and waves.
Some of the effects were 1 new plants were discovered
2 most of the native americans were killed
3 the lands were renamed
