The Union had many advantages over the Confederacy. The North had a larger population than the South. The Union also had an industrial economy, where- as the Confederacy had an economy based on agriculture. The Union had most of the natural resources, like coal, iron, and gold, and also a well-developed rail system.Slavery played the central role during the American Civil War. The primary catalyst for secession was slavery, especially Southern political leaders' resistance to attempts by Northern antislavery political forces to block the expansion of slavery into the western territories.
Tone is the attitude writers express through words they choose. Note that mood is the specific feelings that the reader gets from the authors text. The tone of Lincolns speech is sorrowful for the lost soldiers and determined to persuade his audience to take action.
the first law of thermodynamics states that the change in internal energy of the system (ΔU) is equal to the amount of heat provided to the system (Q) minus the amount of work done by the system (W)
