Historically,the Yale Attitude Change Approach to Persuasion Developed from Experiments

Historically,the Yale Attitude Change approach to persuasion developed from experiments conducted

A) in Nazi Germany to promote anti-Semitism.
B) in the early 1900s as the industrial revolution continued to grow in the U.S.
C) in the U.S.during World War II to increase soldiers' morale.
D) in Russia by the communist regime.