Why does the handbill include the words the Union forever?

The phrase "the Union forever" in the handbill emphasizes a strong commitment to preserving the unity of the nation, particularly during times of division or conflict, such as the Civil War. It reflects the belief that maintaining the Union is essential for democracy and the shared values of liberty and equality. This rallying cry aims to inspire loyalty and solidarity among supporters, reinforcing the idea that the nation's survival depends on collective effort and dedication to a united cause.