ACW, or American Civil War, is a term used to describe the conflict between the United States of America and the Confederate States of America from 1861 to 1865. However, there are several synonyms for the term ACW, including the War Between the States, the War of Northern Aggression, the Rebellion, and the Brothers War. Each of these terms reflects a different perspective on the conflict, with some emphasizing the role of slavery or states' rights, while others focus on the regional and cultural differences that contributed to the conflict. Ultimately, regardless of the term used, the ACW remains a pivotal event in American history that continues to shape our nation today.