Trade Unions' Core Role in Worker Representation

Steps:

• Recall that trade unions are organizations formed by workers to protect their rights and interests.
• Identify the primary function: advocating for better pay, conditions, and job security through collective bargaining.
• Evaluate options against this definition to find the best match.
• Confirm A aligns directly, while others do not.

Why A is correct:

• Trade unions' fundamental purpose, per labor law definitions, is to negotiate collective bargaining agreements on workers' contracts for fair wages and benefits.

Why the others are wrong:

• B: Promotions are management's responsibility, not unions'.
• C: Recruiting is the employer's task; unions focus on current members.
• D: Supervision is a managerial duty; unions monitor it to prevent exploitation.

Final answer: A