Which event led directly to South Carolina's secession from the United States?

Question

Responses
A the firing upon Ft. Sumter in Charlestonthe firing upon Ft. Sumter in Charleston
B the cession of North Carolina from the Unionthe cession of North Carolina from the Union
C the victory of Abraham Lincoln in the Election of 1860the victory of Abraham Lincoln in the Election of 1860
D the Confederate victory at the First Battle of Bull Run

Answer 1

A the firing upon Ft. Sumter in Charleston

Answer 2

No bot
South Carolina seceeded December 20, 1860, long before her troops fired on Sumter.
I would pick Lincoln's victory

Answer 3

Apologies for the incorrect information. You are correct. The event that led directly to South Carolina's secession from the United States was the victory of Abraham Lincoln in the Election of 1860.