The American Federation of Labor focused its organizing efforts on:

A) Craft workers of all kinds.
B) Industrial workers .
C) Workers of all kinds (craftsmen, industrial workers, farmers, etc.) .
D) Skilled craft workers.

Skilled Craft Workers

Individuals with specialized training and expertise in specific trades who are capable of performing complex tasks within their area of expertise.

Industrial Workers

Individuals employed in sectors concerned with producing goods through physical labor and machinery, often in factories or production lines.