Answer :
The 1860 election was won by Lincoln and South Carolina was the first state to withdraw from the union.
Why was the 1860 election important in U.S history?
In this election, Lincoln won the more popular and electoral votes than any candidate.
South Carolina immediately withdraw from the union after the 1860s election.
Therefore, option A appropriately describes the state who left the union.
Learn more about the 1860 election here:
https://brainly.com/question/232474