It was a strategic point in the Tennessee River. The union wanted to gain control of the tributaries that flowed into the Mississippi River. Southern troops were not defending this place. It was a stronghold protecting the North.
The main way in which advances in military technology after the Industrial Revolution affected European empires was that "<span>a. They led Europeans to commit atrocities that convinced people around the world to oppose colonialism" since weapons were far more powerful. </span>
From what I can remember, states' rights was a large factor contributing to the Civil War. With Lincoln becoming president and representing the North, the Southern states seceded, leading to a war. The state governments of the South argued that since the Constitution and the federal government was created by the states, the federal government had no right to stop states from seceding. President Lincoln and other northerners disagreed and wanted to preserve the Union by stopping states from seceding.
After the war, I believe the South still disagreed on a strong federal government. They wanted to rule the area by themselves.
