The answer is B. Partisanship.
Partisanship is basically political bias; a party is in favor of a specific cause/event. Therefore, when elected officials support the policies and programs of their own party, they're engaging in partisanship.
Choosing not to back either side is known as neutrality. India would have been considered neutral in the conflict.
Answer:
While the repeated bombings and discovery of bombs by the postal service undoubtedly created an atmosphere of suspicion, they do not justify the actions taken by Palmer and his office against those he suspected. Palmer specifically targeted foreign born groups without any evidence.