Because the Germans had killed off a lot of innocent Soviets which the Soviets wanted the Nazi people to pay for by executing or torturing the Nazis before execution. But the British and U.S. forces would not execute as many because the Germans did not execute them
your answer is B because with the persecutions the roman empire was unable to destroy the new religion which was the jews and more people were converted to christianity after witnessing bravery of many of the believers