Following World War I, Americans had significant fears about all of the following EXCEPT A Communism
B) Unions
C Immigrants
D) Protestants

b)

Explanation:

because people in world war 1 people had there fear focused on much bigger problems so not unions

religion played a major role in the american revolution by offering a moral sanction for opposition to the british--an assurance to the average american that revolution was justified in the sight of god. the revolution strengthened millennialist strains in american.

seeing as no choices were provided, i'll do my best to answer it from knowledge.

job specialization promotes work ethic to the person doing the job. he/she may be strong in the arms and able to lift things, specializing him/her in a job where you lift and carry.