During which years did the Civil War in the United States take place?

The correct time frame for the Civil War in the United States is from 1861 to 1865. This four-year conflict was a pivotal moment in American history, primarily fought over issues such as slavery, states' rights, and economic disparities. The war began when Confederate forces attacked Fort Sumter in April 1861 and concluded with the surrender of General Robert E. Lee at Appomattox Court House in April 1865. This period is crucial for understanding the socio-political landscape of the United States during the 19th century, including the eventual abolition of slavery and the struggle for civil rights that would follow in the coming decades. The other years listed correspond to different historical events, such as the American Revolutionary War from 1775 to 1783, World War I from 1914 to 1918, and World War II from 1941 to 1945, which are unrelated to the Civil War.