Question

What finally caused South Carolina to secede from the Union?

A. Slavery was abolished by Congress.
B. Federal troops seized New Orleans.
C. England threw its support to the South.
D. Abraham Lincoln was elected president.

Answer 1

The election of Lincoln as President.

While other long-term factors led to South Carolina's secession from the Union, the immediate cause was Lincoln's election to presidency.

Answer 2

With the election in 1860 of Abraham Lincoln, South Carolina seceded on December 20, 1860