Problem: Which of the following statements are true? Check all that apply.
After residents were angered by the result of a presidential election, South Carolina became the first state to secede from the Union.
The conflict between North and South escalated when Union forces stormed the strategic southern stronghold of Fort Sumter.
Lincoln's initial response to secession was to take a strong unionist tone, warning secessionists that their actions would lead to all-out war.
Lincoln responded to the attacks on Fort Sumter by raising a force of 75,000 volunteer soldiers.