ASAP AND BRAILIEST Which of these was NOT a cause of the Civil War? Question 1 options: A. The execution of John Brown led northerners to view him as a martyr while southerners began to militarize for future raids. B. Popular sovereignty resulted in violent fighting over the status of new states being free or not. C. President Lincoln ordered the attack on Fort Sumter off the coast of Charleston, South Carolina. D. The North wanted to abolish slavery, while the South depended on it for its economy.