Step 1: Line 8: "Rather than unionizing the workforces of particular employers, waitress locals sought to control their occupation throughout a city."
Step 2: "Particular employers" contrasts with city-wide scope, highlighting occupational unionism's broad focus vs. worksite's narrow one.
Step 3: This emphasizes the unique occupational (occupation-wide) vs. worksite (employer-specific) approach.
Step 4: (A),(B),(D),(E) unsupported or irrelevant.