The significance of the Reconstruction Era (1865-1877) in shaping modern America lies in its efforts to address inequalities and rebuild the nation following the Civil War. It aimed to integrate formerly enslaved African Americans into society as citizens with rights and protection under the law. Landmark legislation, such as the 13th, 14th, and 15th Amendments, aimed to abolish slavery, guarantee citizenship, and secure voting rights. However, the eventual withdrawal of federal support led to the establishment of Jim Crow laws. The era’s unresolved issues of race, inequality, and civil rights continue to influence American society and politics today.