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.
C. Less Food Crops were being grown.
My conclusion, given the paragraph given, is that the Belgians likely made the choice given rubbers value to plant rubber trees instead of food wherever practicable.
Historians have identified the basic characteristics of civilizations. Six of the most important characteristics are: cities, government, religion, social structure, writing and art.
The 1917 Russian Revolution was not, as many people suppose, one well organised event in which Tsar Nicholas II was overthrown and Lenin and the Bolsheviks took power. It was a series of events that took place during 1917, which entailed two separate revolutions in February and October (with a great deal of political wranglings inbetween), and which eventually plunged the country into Civil War before leading to the founding of the Communist State.
A)the disenfranchisement of blacks from voting in elections. i think would be the best awnswer.