The purpose of this research paper is to identify distinct groups that have been victims in the past decades, as well as laws that have shaped the United States of America, by examining the social oppression. The development of laws according to events and circumstances in the society in it’s different stages of 20th century will be examined as well. The research was based upon adopted laws, famous Mississippi Trial, statistics and few other materials to prove the position of inequality within specific groups. In conclusion I will prove that people in USA are not actually “equal” as they claim to be in the world.