The significance of the American Civil Rights Act passed in 1964 lies in its comprehensive approach to ending discrimination and promoting equality. This landmark legislation made it illegal to discriminate based on race, color, religion, sex, or national origin, addressing civil rights issues and dismantling segregation across various domains, including schools, workplaces, and public accommodations. The act was a culmination of decades of activism and advocacy by civil rights leaders, marking a pivotal moment in the quest for racial equality in the United States. Its passage set legal precedents, empowered further civil rights initiatives, and has had lasting effects on American society, promoting increased social justice.