What caused Arkansas, Tennessee, North Carolina, and Virginia to secede from the United States and join the Confederate States of America? Group of answer choices

a)The outbreak of war

b)The election of 1860

c)They were the border states caught in the middle

d)All of the above

B should be right sorry if I’m wrong

The answer is A, The secession of South Carolina was followed by the secession of six more states—Mississippi, Florida, Alabama, Georgia, Louisiana, and Texas–and the threat of secession by four more—Virginia, Arkansas, Tennessee, and North Carolina. These eleven states eventually formed the Confederate States of America.