Lol well a partisan Johnny Reb would say because of "states rights."
A partisan Billy Yankee would say because of slavery.
A non-partisan American would probably see merit in both views.
My personal opinion: the insurrectionists seceded because Lincoln won the election and he was an avid abolitionist whom was going to oppose the expansion of slavery into the Territories. It is true Lincoln did not intend to end slavery in the South, but merely to prevent its spread into the Territories as they became states. However, seeing as the South decide to secede and make war against America anyways Lincoln used the opportunity to further his cause of abolition and declared the Emancipation Proclamation most likely for purposes of propaganda and to boost war-time morale for Americans fighting for America. But that's just my opinion of the matter.
Here is what Wikipedia says from same article American Civil War:
"The causes of the Civil War were complex and have been controversial since the war began. The issue has been further complicated by historical revisionists, who have tried to offer a variety of reasons for the war.[SUP][10][/SUP] Slavery was the central source of escalating political tension in the 1850s. The Republican Party was determined to prevent any spread of slavery, and many Southern leaders had threatened secession if the Republican candidate, Lincoln, won the 1860 election. After Lincoln had won without carrying a single Southern state, many Southern whites felt that disunion had become their only option, because they felt as if they were losing representation, which hampered their ability to promote pro-slavery acts and policies.[SUP][11][/SUP]"
A partisan Billy Yankee would say because of slavery.
A non-partisan American would probably see merit in both views.
My personal opinion: the insurrectionists seceded because Lincoln won the election and he was an avid abolitionist whom was going to oppose the expansion of slavery into the Territories. It is true Lincoln did not intend to end slavery in the South, but merely to prevent its spread into the Territories as they became states. However, seeing as the South decide to secede and make war against America anyways Lincoln used the opportunity to further his cause of abolition and declared the Emancipation Proclamation most likely for purposes of propaganda and to boost war-time morale for Americans fighting for America. But that's just my opinion of the matter.
Here is what Wikipedia says from same article American Civil War:
"The causes of the Civil War were complex and have been controversial since the war began. The issue has been further complicated by historical revisionists, who have tried to offer a variety of reasons for the war.[SUP][10][/SUP] Slavery was the central source of escalating political tension in the 1850s. The Republican Party was determined to prevent any spread of slavery, and many Southern leaders had threatened secession if the Republican candidate, Lincoln, won the 1860 election. After Lincoln had won without carrying a single Southern state, many Southern whites felt that disunion had become their only option, because they felt as if they were losing representation, which hampered their ability to promote pro-slavery acts and policies.[SUP][11][/SUP]"
You seem to hold firm that the south is evil. Nevermind the fact Lincoln bankrupted the south and he himself made speeches supporting white supremacy. Of course when you constantly use Wikipedia one can't expect much. Wikipedia is open to anonymous editing. They frequently give false information. As a matter of fact the wiki on Lincoln was modified 2 days ago.
Do yourself a favor and research more sources. Opinions like yours is why the south continues to be stereotyped.