War generally follows the secession of a member of a union, and the seceding state, being weaker, is usually conquered and the union more firmly consolidated.
This distinction was emphasized during the Civil War between North and South, the seceding states forming a Confederation (Confederate States of America) in opposition to the Federal Union.
He was an enthusiastic supporter of the movement which led to the Disruption of 1843; and his name is thenceforth associated with the Free Church, for which he collected r 16,000 from July 1845 to June 1846 to provide manses for the seceding ministers.
On the 1st of January 1860 the "State Seminary of Learning and Military Academy" was opened, and here Sherman remained until the spring of 1861, when it was evident that Louisiana would join the states seceding from the Union.
In 1860 he presided over the National Democratic Convention which met first at Charleston and later at Baltimore, until he joined those who seceded from the regular convention; he then presided also over the convention of the seceding delegates, who nominated John C. Breckinridge for the presidency.