The Civil War decisively established that the federal union was indissoluble; states could not withdraw or secede.

Question

Quizplus · Accepted Answer

This was the result of the Union victory and the subsequent Reconstruction period. Prior to the Civil War, the question of secession and state sovereignty was a topic of debate, but the Union victory established the principle that states could not unilaterally leave the federal government.

The Civil War Decisively Established That the Federal Union Was