The secession movement which was erupted in the United States, when in 1860 the state of South California declared its secession from the Union and later joined the Confederacy. The secession movement which included 11 Southern States brought civil war to the nation and in 1865 Union was successful to defeat the Confederacy and retain the unity of the nation.
Assuming that this is referring to the same list of options that was posted before with this question, it was the support from his staff that most significantly reflected his prosperity.
