How did the Southern secession lead to the Civil War?

It led to the civil war as the 16th presdient believed america would be doomed if they had let the south leave the United states thus causing the north to fight for the south and the massive output of agriculture from the south which the north couldnt survive without.

Explanation:

nigger, that word was originated for white folks   to keep black people under

and when black people use it, they know that's just how they greet each other

and when white folks use it, they know there's a double meaning under

a. the moon was locked into orbit by the earths gravity as it was passing by and capture hypothesis i think