Which event caused four additional Southern states to secede from the Union.
1. The U.S. accepted West Virginia as a state.
2. The South fired on Fort Sumter
3. Lincoln declared the Emancipation Proclamation
4. Lincoln raised an army
1. The U.S. accepted West Virginia as a state.
2. The South fired on Fort Sumter
3. Lincoln declared the Emancipation Proclamation
4. Lincoln raised an army