put 'Lincoln's assassination raised concerns about the stability of the government and the possibility of further political violence. With the leader of the nation dead, there was uncertainty about who would take his place and how they would lead the country in the aftermath of the Civil War. Additionally, Lincoln's assassination symbolized the deep divisions and lingering resentments that plagued the nation, casting doubt on whether the country could truly heal and move forward.' in easier words

Lincoln's death made people worried about the government's stability and the chance of more violence in politics. People were unsure about who would replace him and how they would guide the country after the Civil War. His assassination also showed how divided and angry the nation still was, making it hard to believe that the country could heal and progress.