The American Federation of Labor (AFL)

A) became the nation's predominant labor organization in the 1930s.
B) had a main goal in the first decades of its existence of the formation of small producers' cooperatives.
C) originally organized unions along craft lines as opposed to industrial lines.
D) and the Congress of Industrial Organizations (CIO) split up in 1955.

American Federation

A large organization, often used in the context of labor unions, that consists of smaller groups or unions within a specific country, such as the American Federation of Labor.

Labor

The human effort, including physical and mental capabilities, used to produce goods or services.

CIO

The Congress of Industrial Organizations, a federation of unions that organized workers in industrial unions in the United States and Canada from 1935 to 1955.