Why was Fort Sumter important?

a) it was full of union weapons
b) it marked the beginning of the war
c) it was located in a border state
d) it marked a willingness to compromise

b) it marked the beginning of the war

Fort Sumter is significant because it was the site of the first military engagement of the American Civil War. The Confederate forces attacked the fort, starting the conflict between the Union and Confederate states. This event marked the official beginning of the war.