Which of the Following Is a Feature of the American

Which of the following is a feature of the American Plan?

A) Employers championed the open shop,to preserve the freedom of employees to refrain from joining unions.
B) The employers were prohibited from using yellow-dog contracts to coerce employees into avoiding union activities.
C) Employers agreed that all employees were to be represented by union officials who were not employed at their plant.
D) Employers were forced to join company unions to ensure continued employment.