During the early years of World War I, which of the following did the Germans use to great advantage?
A. the field telephone
B. the machine gun
C. the submarine
D. the tank

polling is a process and the outcome is not involved in the process itself.

the outcome, which is an unfavorable rating for a particular candidate is not affected by the mechanical process of polling.

it rather depends on the number of people voting in favor of the candidate.

this is an outcome of people's preferences.

i am sure the answer is d