Which of the Following Is True About the American Federation

Which of the following is true about the American Federation of Labor?

A) It was formed in the early part of the twentieth century.
B) When originally formed, only skilled craft workers were allowed to join.
C) All members of other unions are automatically members of the organization.
D) It is not allowed to engage in political lobbying.
E) Today, approximately twenty percent of private sector wage and salary workers are members of the organization.