Please help, almost done with my quiz and I am stuck on this question.

The political communication below was created in 1960 by the American Federation of Labor.
A look at the record
from labor's viewpoint, on key votes__
Jack Kennedy has voted RIGHT 120 times, and WRONG 2 times
Richard Nixon has voted Right 10 times, and WRONG 59 times
(See back cover for complete score card)

What bias is shown in this political communication?

A: Bias in favor of Richard Nixon
B: Bias in favor of Jack Kennedy
C: Bias against the American Federation of Labor
D: Bias against Jack Kennedy