What has been the main purpose of labor unions?

The main purpose of labor unions is to give workers the power to negotiate for more favorable working conditions and other benefits through collective bargaining. Collective bargaining is the heart and soul of the labor union.

“the iliad” (gr: “iliás”) is an epic poem by the ancient greek poet homer, which recounts some of the significant events of the final weeks of the trojan war and the greek siege of the city of troy (which was also known as ilion, ilios or ilium in ancient times).