1. The document discusses trade unions, including their objectives, functions, structure, challenges, and impact. Trade unions aim to protect workers' interests through collective bargaining and representation.
2. Their main functions are negotiations with employers on behalf of members, member representation, and providing members with information, advice, and services. They are financed through member subscription fees and donations.
3. While trade unions improve conditions for workers, they also face challenges like uneven growth, limited membership, financial problems, and poor leadership that weaken their impact. Measures to strengthen unions include developing leadership from within and improving members' education.