Well, the only one that actually makes sense to me is C.
A. Urban II
These incursions prompted the emperor of Byzantium, Alexius I Comnenus to send a delegation to Piacenza, Italy, asking Pope Urban II in March 1095 for help against the Turks. On November 27, 1095, in Clermont, France, Pope Urban II called for a crusade to help the Byzantines and to free the city of Jerusalem.
Lack of expenses.
Let me know if that was right, and good luck!!!
Answer:
It is located atop Mamayev Kurgan, in Volgograd, Russia, 50 miles from the Volga River.
Explanation: