The American Federation of Labor and Congress of Industrial Organizations (AFL-CIO) is a national federation of labor unions in the United States. Formed in 1955, it represents millions of workers across various industries, advocating for their rights and interests. The AFL-CIO focuses on improving wages, working conditions, and job security for its members. The organization is made up of numerous affiliated unions, each representing specific trades or industries. The AFL-CIO engages in political activities, lobbying for labor-friendly legislation and policies. It also provides resources and support for local unions, helping them to organize and negotiate effectively on behalf of their members.