Our country has come to death grips with its most malicious and most perfidious enemy - German fascism.
Explanation:
Remeber that incendiary or inflamatory language refers to the one that is used to make the audience angry, it wants to excite it in order to cause tumult or desorder. In this case, option A shows a conflict between the Soviet Union and Germany. Stalin appeals to emotions in order to make people mad at German fascism. He characterizes them as the "malicious" and "perfidious" enemy and he also makes them responsible of the deaths Soviet people has suffered. By stating that Germany is the enemy, Stalin wants to make the people fight against it's people without any remorse and with all ther forces.