The document discusses how unions matter for workers and society. It notes that while union membership has declined, building a strong union requires strategic planning, leadership, member participation and commitment. Unions help reinforce the middle class by raising wages, advocating for better health and safety standards, and fighting for social reforms. Surveys also show that most workers would join a union if not for employer intimidation. Overall, the document argues that unions continue to play an important role in supporting workers' rights and wages.