What events provoked southern states to secede from the union

The event that caused the Southern states to secede was the election of Abraham Lincoln  

question: which statement about mecca is accurate?

answer: mecca was the city where allah lived.

explanation: he lived there so he could spread the message of islam to everyone there

question answered by

(jacemorris04)

the speech revealed that eastern european countries were no threat to their neighbors, which led to the creation of the truman doctrine i think this might be correct.