Which of the following was a major cause of the russian revolution of 1917?
a. czar nicholas il's marriage to a german princess
b. russian peasants were treated as slave and paid high taxes
c. czar nicholas ii was related to the king of england
d. russia wanted to defy a treaty and wage war with germany

B) Russian Peasants were treated as slaves and paid high taxes

the story goes that because of this belief, constantine was able to defeat his foes. constantine became an ardent1 christian. christianity and other religions were tolerated under constantine's rule. constantine also was responsible for the building of a great cathedral in rome.